CINXE.COM

<!DOCTYPE html> <html lang="en" prefix="dc: http://purl.org/dc/elements/1.1/#; dcterms: http://purl.org/dc/terms/#"> <head><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta charset="utf-8"><meta name="viewport" content="width=device-width"><script type="text/javascript" src="./wicket/resource/org.apache.wicket.resource.JQueryResourceReference/jquery/jquery-3.6.0-ver-7B432A70897DCD6A8F6D26413CDF1916.js"></script> <link rel="stylesheet" type="text/css" href="/css_min/min/orcid-min.css?v=1.1.1" /> <script type="text/javascript" src="./wicket/resource/org.europepmc.account.AccountSigninPanel/AccoutSigninPanel-ver-23536C62407C81CFCDCB80EBF689D4C9.js"></script> <title>Europe PMC</title><link href="/css/chunk-00126305.668275bf.css" rel="prefetch"><link href="/css/chunk-012e946a.7ca2240d.css" rel="prefetch"><link href="/css/chunk-02671363.98391652.css" rel="prefetch"><link href="/css/chunk-03a4b3e9.dbce14d4.css" rel="prefetch"><link href="/css/chunk-070da9dd.a997a06a.css" rel="prefetch"><link href="/css/chunk-0c1dee60.3a501649.css" rel="prefetch"><link href="/css/chunk-0ef6d313.26c993d2.css" rel="prefetch"><link href="/css/chunk-10ff9b5e.966f29bf.css" rel="prefetch"><link href="/css/chunk-136cee03.aea1f83b.css" rel="prefetch"><link href="/css/chunk-20755276.98ef90c1.css" rel="prefetch"><link href="/css/chunk-236f87ca.2b10b19e.css" rel="prefetch"><link href="/css/chunk-24facdb3.c795efbe.css" rel="prefetch"><link href="/css/chunk-29fd1570.90d910cd.css" rel="prefetch"><link href="/css/chunk-30203c74.6f499fd3.css" rel="prefetch"><link href="/css/chunk-3082ee44.c29eabab.css" rel="prefetch"><link href="/css/chunk-31dcb488.88c78b2f.css" rel="prefetch"><link href="/css/chunk-3237e5b9.392f2856.css" rel="prefetch"><link href="/css/chunk-348b3c64.bb8c49fe.css" rel="prefetch"><link href="/css/chunk-3e6665aa.948d4378.css" rel="prefetch"><link href="/css/chunk-40021bc0.5b152510.css" rel="prefetch"><link href="/css/chunk-47d49ad4.41859681.css" rel="prefetch"><link href="/css/chunk-49354abb.edca4954.css" rel="prefetch"><link href="/css/chunk-4a21b109.33476996.css" rel="prefetch"><link href="/css/chunk-4f08085a.0cceb84a.css" rel="prefetch"><link href="/css/chunk-5a6b3e90.1f22a5ad.css" rel="prefetch"><link href="/css/chunk-60d46f60.eef28202.css" rel="prefetch"><link href="/css/chunk-656e253f.c7ea151b.css" rel="prefetch"><link href="/css/chunk-673bd12a.23876be7.css" rel="prefetch"><link href="/css/chunk-675cc948.f8d46d6b.css" rel="prefetch"><link href="/css/chunk-70d289d7.a8744ce3.css" rel="prefetch"><link href="/css/chunk-7ee95f06.0a2e5af0.css" rel="prefetch"><link href="/css/chunk-7f1b5ba6.c8673e0f.css" rel="prefetch"><link href="/css/chunk-934e92e8.c978915f.css" rel="prefetch"><link href="/css/chunk-9578daba.9e7c8a22.css" rel="prefetch"><link href="/css/chunk-b55b5ddc.27d49e84.css" rel="prefetch"><link href="/css/chunk-fa5a5b92.8ac21d96.css" rel="prefetch"><link href="/css/chunk-feeca86c.eddce629.css" rel="prefetch"><link href="/css/chunk-ff8e64f6.376aa889.css" rel="prefetch"><link href="/css/chunk-vendors.2173cd66.css" rel="stylesheet"><link href="/css/app.ba6fa73f.css" rel="stylesheet"><title>Europe PMC</title><script src="https://cdn.jsdelivr.net/npm/get-root-node-polyfill@1.0.0/index.min.js"></script><script id="uk-bl-ukpmc-web-pages-template-SearchBar-0"> /*<![CDATA[*/ // for processing latex encoding in abstract and fulltext window.MathJax = { tex: { inlineMath: [['$$', '$$'], ['\$', '\$']] } }; /*]]>*/ </script><link href="/css/chunk-00126305.668275bf.css" rel="prefetch"><link href="/css/chunk-012e946a.7ca2240d.css" rel="prefetch"><link href="/css/chunk-02671363.98391652.css" rel="prefetch"><link href="/css/chunk-03a4b3e9.dbce14d4.css" rel="prefetch"><link href="/css/chunk-070da9dd.a997a06a.css" rel="prefetch"><link href="/css/chunk-0c1dee60.3a501649.css" rel="prefetch"><link href="/css/chunk-0ef6d313.26c993d2.css" rel="prefetch"><link href="/css/chunk-10ff9b5e.966f29bf.css" rel="prefetch"><link href="/css/chunk-136cee03.aea1f83b.css" rel="prefetch"><link href="/css/chunk-20755276.98ef90c1.css" rel="prefetch"><link href="/css/chunk-236f87ca.2b10b19e.css" rel="prefetch"><link href="/css/chunk-24facdb3.c795efbe.css" rel="prefetch"><link href="/css/chunk-29fd1570.90d910cd.css" rel="prefetch"><link href="/css/chunk-30203c74.6f499fd3.css" rel="prefetch"><link href="/css/chunk-3082ee44.c29eabab.css" rel="prefetch"><link href="/css/chunk-31dcb488.88c78b2f.css" rel="prefetch"><link href="/css/chunk-3237e5b9.392f2856.css" rel="prefetch"><link href="/css/chunk-348b3c64.bb8c49fe.css" rel="prefetch"><link href="/css/chunk-3e6665aa.948d4378.css" rel="prefetch"><link href="/css/chunk-40021bc0.5b152510.css" rel="prefetch"><link href="/css/chunk-47d49ad4.41859681.css" rel="prefetch"><link href="/css/chunk-49354abb.edca4954.css" rel="prefetch"><link href="/css/chunk-4a21b109.33476996.css" rel="prefetch"><link href="/css/chunk-4f08085a.0cceb84a.css" rel="prefetch"><link href="/css/chunk-5a6b3e90.1f22a5ad.css" rel="prefetch"><link href="/css/chunk-60d46f60.eef28202.css" rel="prefetch"><link href="/css/chunk-656e253f.c7ea151b.css" rel="prefetch"><link href="/css/chunk-673bd12a.23876be7.css" rel="prefetch"><link href="/css/chunk-675cc948.f8d46d6b.css" rel="prefetch"><link href="/css/chunk-70d289d7.a8744ce3.css" rel="prefetch"><link href="/css/chunk-7ee95f06.0a2e5af0.css" rel="prefetch"><link href="/css/chunk-7f1b5ba6.c8673e0f.css" rel="prefetch"><link href="/css/chunk-934e92e8.c978915f.css" rel="prefetch"><link href="/css/chunk-9578daba.9e7c8a22.css" rel="prefetch"><link href="/css/chunk-b55b5ddc.27d49e84.css" rel="prefetch"><link href="/css/chunk-fa5a5b92.8ac21d96.css" rel="prefetch"><link href="/css/chunk-feeca86c.eddce629.css" rel="prefetch"><link href="/css/chunk-ff8e64f6.376aa889.css" rel="prefetch"><link href="/js/chunk-00126305.20b42cd0.js" rel="prefetch"><link href="/js/chunk-012e946a.7ede3cb7.js" rel="prefetch"><link href="/js/chunk-02671363.3a4ab455.js" rel="prefetch"><link href="/js/chunk-03a4b3e9.adf61d90.js" rel="prefetch"><link href="/js/chunk-070da9dd.cf6a45df.js" rel="prefetch"><link href="/js/chunk-0c1dee60.58334e88.js" rel="prefetch"><link href="/js/chunk-0ef6d313.a710ad74.js" rel="prefetch"><link href="/js/chunk-10ff9b5e.2282c6cb.js" rel="prefetch"><link href="/js/chunk-136cee03.b024330d.js" rel="prefetch"><link href="/js/chunk-20755276.0c0046a0.js" rel="prefetch"><link href="/js/chunk-236f87ca.99d87738.js" rel="prefetch"><link href="/js/chunk-24facdb3.a80dbfe0.js" rel="prefetch"><link href="/js/chunk-29fd1570.1252ca6c.js" rel="prefetch"><link href="/js/chunk-2d0b33fc.c7442f96.js" rel="prefetch"><link href="/js/chunk-2d0bad09.436bcc5d.js" rel="prefetch"><link href="/js/chunk-2d0c95e3.75270c91.js" rel="prefetch"><link href="/js/chunk-2d0de79d.9bce1ff5.js" rel="prefetch"><link href="/js/chunk-2d0f07fe.26727cb3.js" rel="prefetch"><link href="/js/chunk-2d210a6c.dd0ac435.js" rel="prefetch"><link href="/js/chunk-2d213782.7b65b3bc.js" rel="prefetch"><link href="/js/chunk-30203c74.e6dbf042.js" rel="prefetch"><link href="/js/chunk-3082ee44.ae68c6e3.js" rel="prefetch"><link href="/js/chunk-31dcb488.2f53cc15.js" rel="prefetch"><link href="/js/chunk-3237e5b9.092ea1fb.js" rel="prefetch"><link href="/js/chunk-348b3c64.964c961f.js" rel="prefetch"><link href="/js/chunk-3e6665aa.6e98a179.js" rel="prefetch"><link href="/js/chunk-40021bc0.0eb9a76f.js" rel="prefetch"><link href="/js/chunk-47d49ad4.cecc1cd9.js" rel="prefetch"><link href="/js/chunk-49354abb.48295da6.js" rel="prefetch"><link href="/js/chunk-4a21b109.abfd7ca3.js" rel="prefetch"><link href="/js/chunk-4f08085a.a93749be.js" rel="prefetch"><link href="/js/chunk-5a6b3e90.4644b402.js" rel="prefetch"><link href="/js/chunk-60d46f60.a343ce46.js" rel="prefetch"><link href="/js/chunk-656e253f.9fef407f.js" rel="prefetch"><link href="/js/chunk-673bd12a.b0915a12.js" rel="prefetch"><link href="/js/chunk-675cc948.12b0531e.js" rel="prefetch"><link href="/js/chunk-70d289d7.ae59a05d.js" rel="prefetch"><link href="/js/chunk-7ee95f06.35dfc586.js" rel="prefetch"><link href="/js/chunk-7f1b5ba6.a894c82c.js" rel="prefetch"><link href="/js/chunk-934e92e8.39ed60d8.js" rel="prefetch"><link href="/js/chunk-9578daba.dab53a4f.js" rel="prefetch"><link href="/js/chunk-b55b5ddc.8b935fe2.js" rel="prefetch"><link href="/js/chunk-fa5a5b92.54ba3114.js" rel="prefetch"><link href="/js/chunk-feeca86c.fd9276fb.js" rel="prefetch"><link href="/js/chunk-ff8e64f6.12eb1c40.js" rel="prefetch"><link href="/css/app.ba6fa73f.css" rel="preload" as="style"><link href="/css/chunk-vendors.2173cd66.css" rel="preload" as="style"><link href="/js/app.a28cc023.js" rel="preload" as="script"><link href="/js/chunk-vendors.d1b5dc9a.js" rel="preload" as="script"><link href="/css/chunk-vendors.2173cd66.css" rel="stylesheet"><link href="/css/app.ba6fa73f.css" rel="stylesheet"><script async="" defer="" src="http://localhost:8000/piwik.js"></script><script type="text/javascript" src="./wicket/resource/org.apache.wicket.ajax.AbstractDefaultAjaxBehavior/res/js/wicket-ajax-jquery-ver-6C3579C63E0C4EBFA954D232A7F1B943.js"></script> <script type="text/javascript" id="wicket-ajax-base-url"> /*<![CDATA[*/ Wicket.Ajax.baseUrl="OaiService"; /*]]>*/ </script> <style id="uk-bl-ukpmc-web-pages-template-TemplatePage-0"> /*<![CDATA[*/ #search-feature-link { display: none; } @media only screen and (max-width: 800px) { #search-feature-link { display: block; } } /*]]>*/ </style> <script type="text/javascript" src="./wicket/resource/uk.bl.ukpmc.web.pages.template.TemplatePage/TemplatePage-ver-540ECA69167ECC178EB8C919D0809EB3.js"></script> <title>OAI Service - Developers - Europe PMC</title> <link rel="stylesheet" href="/template/font-awesome/css/all.min.css"> <link rel="stylesheet" href="/template/EPMC-iconfont/style.css?v=1.1.1"> <link rel="icon" href="/images/favicon.ico" type="image/x-icon"> <link rel="alternate" type="application/rss+xml" title="Europe PMC: Popular articles" href="/Funders/RSS/MostViewedArticles.xml"> <link rel="alternate" type="application/rss+xml" title="Europe PMC: Recent articles" href="/Funders/RSS/AllFunders.xml"> <link rel="alternate" type="application/rss+xml" title="Europe PMC: Latest journals" href="/Funders/rss/NewJournals.xml"> <link rel="alternate" type="application/rss+xml" title="Europe PMC: Content Holdings" href="/contentrss"> <meta name="theme-color" content="#666"/> <meta name="author" content="Europe PMC"/> <meta name="owner" content="Europe PMC"/> <meta name="keywords" content="Europe PMC, Europe PubMed Central, open access, research articles, journal articles, abstracts, full text, literature search, clinical guidelines, biological patents, life sciences, bioinformatics, biomedical research, citation search, biomedical journals, ORCIDs, text mining, citation networks, REST APIs "/> <meta name="description" content="Get access to the metadata of all items in the Europe PMC archive, and full text of a subset of these items."/> <meta http-equiv="X-UA-Compatible" content="IE=11" /> <link rel="search" type="application/opensearchdescription+xml" title="Search Europe PMC" href="/tools_epmc/opensearch_epmc.xml"> <link rel="stylesheet" type="text/css" media="print, screen" href="/template/jquery_ui.css?v=1.1.1"/> <link rel="stylesheet" type="text/css" media="screen" href="/template/jquery_menu.css?v=1.1.1"/> <script type="text/javascript" src="/template/yahoo-min.js?v=1.1.1"></script> <script type="text/javascript" src="/template/dom-min.js?v=1.1.1"></script> <script type="text/javascript" src="/template/enrichment.js?v=1.1.1"></script> <link rel="stylesheet" type="text/css" media="print, screen" href="/template/enrichment.css?v=1.1.1"/> <script type="text/javascript" src="/template/hoverIntent.js?v=1.1.1"></script> <script type="text/javascript" src="/plugins/jquery-ui-1.10.4.custom/js/jquery-ui-1.10.4.custom.min.js?v=1.1.1"></script> <link rel="stylesheet" type="text/css" href="/template/ncbi/epmc.ncbi.css?v=1.1.1"/> <script type="text/javascript" src="/template/epmc.js?v=1.1.1"></script> <link rel="stylesheet" type="text/css" href="/template/epmc_new.css?v=1.1.1"/> <link href="/css/compromise.css" rel="stylesheet" type="text/css"/> <script type="text/javascript"> /*<![CDATA[*/ $(document).ready(function () { if (window.location.pathname === '/') { $(".page_proper").first().addClass('epmc-home-page'); } $("#Highlight_head").click(function (event) { event.preventDefault(); $("#Highlight_body").slideToggle(); }); $("#Highlight_body a").click(function (event) { event.preventDefault(); $("#Highlight_body").slideUp(); }); var locationHost = $.cookie('location_host'); if (typeof locationHost === 'undefined' || locationHost == null || locationHost == "") { $.cookie("location_host", window.location.host); } }); /*]]>*/ </script> <script type="text/javascript" src="//script.crazyegg.com/pages/scripts/0121/7749.js" async="async" ></script> <script type="text/javascript"> /*<![CDATA[*/ Wicket.Event.subscribe('/ajax/call/complete', function (jqEvent, attributes, jqXHR, errorThrown, textStatus) { if (jqXHR != null && jqXHR.responseText != null && (jqXHR.responseText.match("ShowCitationDetails]]></redirect></ajax-response>") || jqXHR.responseText.match("articles]]></redirect></ajax-response>"))) { var ua = window.navigator.userAgent; var msie = ua.indexOf("MSIE "); var trident = ua.indexOf("Trident/"); if (msie > 0 || trident > 0) { window.document.execCommand("Stop"); } else { window.stop(); } } }); /*]]>*/ </script> <link rel="stylesheet" type="text/css" href="./wicket/resource/uk.bl.ukpmc.web.pages.developers.DevelopersTemplate/::/table-ver-4A565C1EE6EA5D8CFFCEF12FD24C254A.css"/> <script type="text/javascript" src="/js_min/min/epmc-min.js?v=1.1.1"></script> <script type="text/javascript" src="/js_min/min/responsify-analytics-min.js?v=1.1.1"></script> <link rel="stylesheet" type="text/css" href="/css_min/min/jquery-ui-min.css?v=1.1.1" /> <link rel="stylesheet" type="text/css" href="/css_min/min/advanced_search-min.css?v=1.1.1" /> <script type="text/javascript"> /*<![CDATA[*/ Wicket.Event.add(window, "domready", function(event) { Wicket.Ajax.ajax({"u":"./OaiService?0-1.0-search-exportPanelLink","c":"id1","coh":[function(attrs, jqXHR, textStatus){;onClickPanelLink();registerExportPanel();}],"e":"click","pd":true});; Wicket.Ajax.ajax({"u":"./OaiService?0-1.0-search-closeExportWindow","c":"closeExportWindow","e":"click","pd":true});; Wicket.Event.publish(Wicket.Event.Topic.AJAX_HANDLERS_BOUND); ;}); /*]]>*/ </script> </head> <body> <span style="display:none" id="piwikIdSite">1</span> <div class="page_proper" id="body"> <noscript> <div style="text-align:center"> <p><b>Europe PMC</b> requires Javascript to function effectively.</p> <p>Either your web browser doesn't support Javascript or it is currently turned off. In the latter case, please turn on Javascript support in your web browser and reload this page.</p> </div> </noscript> <header> <div id="epmc_pageHeader"> <div class="dark-gray"> <div class="container"> <div> <span> <span id="id2"> <span style="color: white !important;"> <i class="fa fa-user profile-icon"></i><a id="login-bar--signin-link" class="orcid_signin_text" href="/accounts/login">Sign in</a> | <a class="orcid_signin_text" href="/accounts/registration">Create an account</a> </span> </span> </span> <iframe id="iframeId" name="aframe" style="border:none" seamless></iframe> <span id="orcidurlId" class="screenReader">https://orcid.org</span> <span style="display:none" id="plusLogoutUrl">https://plus.europepmc.org</span> </div> </div> </div> <nav class="container"> <ul id="epmc_mainNav"> <li> <div class="logo"> <a href="/" target="_top" accesskey="U"> <span class="screenReader">Europe PMC</span> </a> </div> <a id="menu_button" href="#" onclick="return navDrop(this);" class=""> <span>Menu</span> </a> <ul class="dropdown"> <li> <a href="./About" onclick="return navDrop(this);"> <span>About</span> </a> <ul class="sub_menu"> <li class="citation_navigation_unselected"> <a href="./About"> <span>About Europe PMC</span> </a> </li><li class="citation_navigation_unselected"> <a href="./Preprints"> <span>Preprints in Europe PMC</span> </a> </li><li class="citation_navigation_unselected"> <a href="./Funders"> <span>Funders</span> </a> </li><li class="citation_navigation_unselected"> <a href="./BecomeFunder"> <span>Become a funder</span> </a> </li><li class="citation_navigation_unselected"> <a href="./Governance"> <span>Governance</span> </a> </li><li class="citation_navigation_unselected"> <a href="./Roadmap"> <span>Roadmap</span> </a> </li><li class="citation_navigation_unselected"> <a href="./Outreach"> <span>Outreach</span> </a> </li> </ul> </li><li> <a href="./tools" onclick="return navDrop(this);"> <span>Tools</span> </a> <ul class="sub_menu"> <li class="citation_navigation_unselected"> <a href="./tools"> <span>Tools overview</span> </a> </li><li class="citation_navigation_unselected"> <a href="./ArticleStatusMonitor"> <span>Article status monitor</span> </a> </li><li class="citation_navigation_unselected"> <a href="./orcid/import"> <span>ORCID article claiming</span> </a> </li><li class="citation_navigation_unselected"> <a href="./journalList"> <span>Journal list</span> </a> </li><li class="citation_navigation_unselected"> <a href="./grantfinder"> <span>Grant finder</span> </a> </li><li class="citation_navigation_unselected"> <a href="./LabsLink"> <span>External links service</span> </a> </li><li class="citation_navigation_unselected"> <a href="./RssFeeds"> <span>RSS feeds</span> </a> </li><li class="citation_navigation_unselected"> <a href="./Annotations"> <span>Annotations</span> </a> </li><li class="citation_navigation_unselected"> <a href="./AnnotationsSubmission"> <span>Annotations submission service</span> </a> </li> </ul> </li><li> <a href="./developers" onclick="return navDrop(this);"> <span>Developers</span> </a> <ul class="sub_menu"> <li class="citation_navigation_unselected"> <a href="./developers"> <span>Developer resources</span> </a> </li><li class="citation_navigation_unselected"> <a href="./RestfulWebService"> <span>Articles RESTful API</span> </a> </li><li class="citation_navigation_unselected"> <a href="./GristAPI"> <span>Grants RESTful API</span> </a> </li><li class="citation_navigation_unselected"> <a href="./API-case-studies"> <span>API case studies</span> </a> </li><li class="citation_navigation_unselected"> <a href="./SoapWebServices"> <span>SOAP web service</span> </a> </li><li class="citation_navigation_unselected"> <a href="./AnnotationsApi"> <span>Annotations API</span> </a> </li><li class="citation_navigation_unselected"> <a href="./OaiService"> <span>OAI service</span> </a> </li><li class="citation_navigation_unselected"> <a href="./downloads"> <span>Bulk downloads</span> </a> </li><li class="citation_navigation_unselected"> <a href="http://groups.google.com/a/ebi.ac.uk/forum/#!forum/epmc-webservices"> <span>Developers Forum</span> </a> </li> </ul> </li><li> <a href="./Help" onclick="return navDrop(this);"> <span>Help</span> </a> <ul class="sub_menu"> <li class="citation_navigation_unselected"> <a href="./Help"> <span>Help using Europe PMC</span> </a> </li><li class="citation_navigation_unselected"> <a href="./searchsyntax"> <span>Search syntax reference</span> </a> </li><li class="citation_navigation_unselected"> <a href="./ContactUs"> <span>Contact us</span> </a> </li> </ul> </li><li class="contact-us"> <a href="/ContactUs" onclick="return navDrop(this);"> <span>Contact us</span> </a> <ul class="sub_menu"> <li> <a href="/ContactUs"> <span>Helpdesk</span> </a> </li> <li> <a href="/feedback?url=" onclick="var w = window.open('/feedback?url='+getReferredUrl(), 'ukpmc_feedback', 'scrollbars=no,location=no,menuBar=yes,resizable=yes,status=no,toolbar=yes,width=1050,height=810'); try {if (w.blur) w.focus();}catch(ignore){}; return false;"><span>Feedback</span></a> </li> <li> <a href="https://twitter.com/EuropePMC_news"> <span>Twitter</span> </a> </li> <li> <a href="http://blog.europepmc.org"> <span>Blog</span> </a> </li> <li> <a href="//europepmc.github.io/techblog/"> <span>Tech blog</span> </a> </li> <li> <a href="//groups.google.com/a/ebi.ac.uk/forum/#!forum/epmc-webservices"> <span>Developer Forum</span> </a> </li> </ul> </li><li class="last"> <a href="https://plus.europepmc.org/" target="epmcplus" onmouseover="TipAllowed('Submit your manuscripts, manage your grants and publish your research impact using <b>Europe PMC plus</b>')" onmouseout="UnTipAllowed()"> <span>Europe PMC plus</span> </a> </li> </ul> <div style="clear:both"></div> </li> </ul> </nav> </div> <script type="text/javascript"> /*<![CDATA[*/ function openFeedbackForm() { var referredURL = window.location.origin + window.location.pathname + encodeURIComponent(window.location.search) var w = window.open( window.location.protocol + '//' + window.location.host + '/feedback?url=' + referredURL, 'ukpmc_feedback', 'scrollbars=no,location=no,menuBar=yes,resizable=yes,status=no,toolbar=yes,width=550,height=810' ); try { if (w.blur) w.focus(); } catch(ignore){}; return false; } function navDrop(link){ if ($('#epmc_pageHeader').width() < 870) { if ($('.nav_clicked').length > 0){ if ($(link).hasClass('nav_clicked')) { $(link).removeClass('nav_clicked'); } else { if ($(link).not('#menu_button')) { $('.nav_clicked').not('#menu_button').removeClass('nav_clicked'); } $(link).addClass('nav_clicked'); } } else { $(link).addClass('nav_clicked'); } return false; } else { return true; } } $(document).ready(function(){ $('#epmc_mainNav a').each(function(){ if($(this).attr('href').replace(/\./g, '').replace(/\//g, '') == window.location.pathname.replace(/\//g, '')){ $(this).addClass('current'); $(this).closest('ul').closest('li').children('a').addClass('current'); } if(window.location.pathname.replace(/\//g, '').indexOf($(this).attr('href').replace(/\./g, '').replace(/\//g, ''))!= -1){ $(this).addClass('parent'); $(this).closest('ul').closest('li').children('a').addClass('current'); } }); if (window.location.pathname.includes('AnnotationsApi')) { $('#epmc_mainNav .dropdown a[href="./tools"]').removeClass('current'); } }); /*]]>*/ </script> </header> <div id="epmc_pageBody"> <div> <script type="text/javascript" src="/Scripts/recaptcha_ajax.js?v=1.1.1"></script> <div><div id="app" class="epmc-elements"><div data-v-3ba59edf=""><div data-v-3ba59edf="" id="search-panel" class=""><div data-v-3ba59edf="" class="grid-row"><div data-v-3ba59edf="" class="col-16"><h1 data-v-3ba59edf=""><label data-v-3ba59edf="" for="banner--search-input" class="semi-bold">Search life-sciences literature <span data-v-3ba59edf="" id="article-count" class="regular"><span data-v-472a9f4a="" data-v-3ba59edf="" role="button" tabindex="0" class="action small semi-bold" id="article-count-link"><span data-v-472a9f4a="" class="action-icon "></span> ( </span> articles, preprints and more)</span></label></h1><div data-v-3ba59edf="" id="search-bar"><form data-v-3ba59edf="" id="search-bar-inputs" method="get" action="/search"><input data-v-3ba59edf="" id="banner--search-input" name="query" type="text"><button data-v-3ba59edf="" id="banner--search-button" type="submit" class="regular"><i data-v-3ba59edf="" class="fa fa-search"></i><span data-v-3ba59edf="" id="search-btn-text"> Search</span></button></form><div data-v-3ba59edf=""><a data-v-3ba59edf="" id="banner--advanced-search" href="/advancesearch">Advanced search</a></div></div></div></div><button data-v-3ba59edf="" id="feedback-btn"><i data-v-3ba59edf="" class="fas fa-comments"></i> Feedback </button><button data-v-3ba59edf="" id="ask-me-later-container" style="display: none;"><i data-v-3ba59edf="" class="fas fa-clipboard-list"></i><span data-v-3ba59edf="" id="survey-label"> Complete Survey</span><span data-v-3ba59edf="" id="mobile-survey-label"> Survey</span></button></div></div><div data-v-3ba59edf=""><div data-v-3ba59edf="" id="search-panel" class=""><div data-v-3ba59edf="" class="grid-row"><div data-v-3ba59edf="" class="col-16"><h1 data-v-3ba59edf=""><label data-v-3ba59edf="" for="banner--search-input" class="semi-bold">Search life-sciences literature <span data-v-3ba59edf="" id="article-count" class="regular"><span data-v-472a9f4a="" data-v-3ba59edf="" role="button" tabindex="0" class="action small semi-bold" id="article-count-link"><span data-v-472a9f4a="" class="action-icon "></span> ( </span> articles, preprints and more)</span></label></h1><div data-v-3ba59edf="" id="search-bar"><form data-v-3ba59edf="" id="search-bar-inputs" method="get" action="/search"><input data-v-3ba59edf="" id="banner--search-input" name="query" type="text"><button data-v-3ba59edf="" id="banner--search-button" type="submit" class="regular"><i data-v-3ba59edf="" class="fa fa-search"></i><span data-v-3ba59edf="" id="search-btn-text"> Search</span></button></form><div data-v-3ba59edf=""><a data-v-3ba59edf="" id="banner--advanced-search" href="/advancesearch">Advanced search</a></div></div></div></div><button data-v-3ba59edf="" id="feedback-btn"><i data-v-3ba59edf="" class="fas fa-comments"></i> Feedback </button><button data-v-3ba59edf="" id="ask-me-later-container" style="display: none;"><i data-v-3ba59edf="" class="fas fa-clipboard-list"></i><span data-v-3ba59edf="" id="survey-label"> Complete Survey</span><span data-v-3ba59edf="" id="mobile-survey-label"> Survey</span></button></div></div></div><script> /*<![CDATA[*/ //survey changes function showSurvey(){ $(window).scroll(function(){ if (!navigator.cookieEnabled) { console.log("Cookie not enabled."); return; } if ($.cookie('no_impact_survey_session')) { console.log("no_impact_survey_session set."); return; } if ($.cookie('no_impact_survey_app')) { console.log("no_impact_survey_app set."); return; } $("div#europepmc_impact_survey").show(); }); } function hideSurvey() { $("div#europepmc_impact_survey").hide(); $('#ask-me-later-container').hide(); } function registerGdprAgreeClick() { var gdprAgreeIntervalId = setInterval(function() { var gdprBannerDisplay = $('#data-protection-banner').css('display'); if (!gdprBannerDisplay || gdprBannerDisplay === 'none') { console.log('No GDPR banner...') showSurvey(); clearInterval(gdprAgreeIntervalId); return; } console.log('GDPR Interval...') var agreeLink = $("#data-protection-agree"); if (agreeLink) { $("#data-protection-agree").click(function(){ showSurvey(); }); console.log('GDPR Interval stop') clearInterval(gdprAgreeIntervalId) } }, 100); } function repopupSurvey() { setTimeout(function(){ console.log("no_impact_survey_session set. timeout."); if ($.cookie('no_impact_survey_app')) { return; } if ($.cookie('no_impact_survey_session')) { $("div#europepmc_impact_survey").show(); $('#ask-me-later-container').hide(); $.cookie('no_impact_survey_session', null); } }, 120000); } function askMeLater() { $.cookie('no_impact_survey_session', 1); hideSurvey(); $('#ask-me-later-container').show(); repopupSurvey(); } function donnotShowMeAgain() { $.cookie('no_impact_survey_app', 1, {expires : 365}); hideSurvey(); } $(document).ready(function(){ console.log("inside document ready"); $("div#impact_survey_close").click(function(){ askMeLater(); }); $("#europepmc_impact_survey button").bind("click", function(){ donnotShowMeAgain(); }); $("#ask-me-later-container").bind("click", function(){ donnotShowMeAgain(); $.cookie('no_impact_survey_session', null, {path : '/'}); }); $("a#impact_askMeLater").click(function(){ askMeLater(); }); $("a#impact_donnotShowMeAgain").click(function(){ donnotShowMeAgain(); }); if (document.cookie.split(';').some((item) => item.trim().startsWith('no_impact_survey_session='))) { $('#ask-me-later-container').show(); } registerGdprAgreeClick(); //repopupSurvey(); }) // can be removed when moving to Vue window.onload = function () { if (window.location.pathname !== '/') { changeLinks(document.querySelectorAll("#epmc_mainNav a"), "./", "/"); changeLinks(document.querySelectorAll(".top-menu--my-account, .top-menu--manage-account"), "./", "/accounts/"); changeLinks(document.querySelectorAll(".top-menu--my-account, .top-menu--manage-account"), "/accounts/accounts/", "/accounts/"); function changeLinks(links, source, target) { if (links.length) { var length = links.length; for(var i=0; i<length; i++) { var link = links[i]; var href = link.getAttribute("href"); if (href.startsWith(source)) { link.setAttribute("href", href.replace(source, target)); } } } } } if (window.location.href.includes('orcid/auth/autoclose?auth=true')) { if (window.opener === undefined || window.opener === null) { localStorage.setItem( 'ORCID_AUTH_SUCCEEDED', urlParams('auth', window.location.href) ) if (urlParams('iesupport', window.location.href) == null) createHiddenIframe() } else { window.opener.postMessage( urlParams('auth', window.location.href), window.location.protocol + '//' + window.location.host ) window.opener.postMessage( urlParams('auth', window.location.href), window.location.protocol + '//' + window.location.host ) } window.close() } function urlParams(name, url) { const results = new RegExp('[\?&]' + name + '=([^&#]*)').exec(url) return results === null ? null : decodeURI(results[1]) || 0 } function createHiddenIframe() { const iframe = document.createElement('iframe') const url = window.location.href + '&iesupport=true' iframe.setAttribute('id', 'orcid-auth-redirect') iframe.style.display = 'none' iframe.style.border = 'none' iframe.width = 0 iframe.height = 0 iframe.src = url.indexOf('https:') !== -1 ? url.replace('https:', 'http:') : url.replace('http:', 'https:') document.body.appendChild(iframe) } } /*]]>*/ </script><script src="/js/chunk-vendors.d1b5dc9a.js"></script><script src="/js/app.a28cc023.js"></script></div> <div class="container"> <div id="searchToolsBox"> <div id="searchTools" style="display:none"> <div class="epmc_searchTools"> </div> </div> </div> <div id="exportPanel"></div> <span id="closeExportWindow"></span> </div> <div id="id3"> </div> <style> /*<![CDATA[*/ .covid-19-find-out-more { float: right; margin-top: 32px; } @media screen and (max-width: 1000px) { .covid-19-find-out-more { float: none; margin-top: 16px; } } /*]]>*/ </style> <script type="text/javascript"> /*<![CDATA[*/ jQuery('#banner--search-input').on('input', function () { if (jQuery(this).val().length >= 1500) { alert('The maximum allowed query length is 1500 characters'); } }); $('#searchButton').on('click', function () { PiwikAnalyticsTracker.track('Search', 'Keyword', 'Manual Input - ' + $('#textfield').val()); }); function onClickPanelLink() { var speed = 500; if ($('#exportPanel').css('display') == 'none') { $("#exportPanel").slideDown(speed); $('body').append('<div class="wicket-mask-dark export" style="z-index: 2; position: absolute; top: 0px; left: 0px; background-image: none;"></div>"'); exportDisplaySection(); // $(".results_pagination_range").fadeOut(speed - 100) $('#exportPanel').focus(); } else { $("#exportPanel").slideUp(speed); setTimeout(function () { $(".wicket-mask-dark.export").remove(); }, speed); // $(".results_pagination_range").fadeIn(speed + 150); } } $(document).ready(function() { $('#covid-search-example-link').click(function() { PiwikAnalyticsTracker.track("Search", "Covid-19", "Clicked Covid search link"); }); $('#covid-19-find-out-more-link').click(function() { PiwikAnalyticsTracker.track("Home", "Home page", "COVID-19 preprints intiative"); }); }) /*]]>*/ </script> </div> <div class="secondMenu light-gray"> <script type="text/javascript"> /*<![CDATA[*/ $(document).ready(function(){ var availWidth = $('.secondMenu ul').width(); if(availWidth > 813) { $('.secondMenu a').each(function(){ if($(this).attr('href').replace(/\./g, '').replace(/\//g, '') == window.location.pathname.replace(/\//g, '')){ $(this).addClass('current'); } if(window.location.pathname.replace(/\//g, '').indexOf($(this).attr('href').replace(/\./g, '').replace(/\//g, ''))!= -1){ $(this).addClass('parent'); } }); } }); /*]]>*/ </script> </div> <div class="epmc_pageHolder"> <div class="staticPageLayoutLeft"> <h1>OAI service</h1> <p>The Europe PMC OAI service, (Europe PMC-OAI) provides access to metadata of all items in the Europe PMC archive, as well as to the full text of a large subset of these items.</p> <p>Europe PMC-OAI is an implementation of the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH), a standard for retrieving metadata from digital document repositories.聽 Visit the聽<a href="http://www.openarchives.org/" target="_blank">Open Archives Initiative site</a>聽for more information about the protocol and other activities of the OAI group.</p> <p>PMC-OAI supports OAI-PMH version 2.0. It does not support earlier versions of the protocol.</p> <p>Most of the items in this archive are copyright protected, with copyright held by the author(s) or the depositing journal. In general, the OAI service cannot be used to retrieve the full text of articles in PMC. The only exceptions to this policy are for articles that are in the public domain and those that are made available under an Open Access provision (see the <a href="http://www.ncbi.nlm.nih.gov/pmc/about/openftlist.html" target="_blank">PMC Open Access subset</a>聽for specifics).</p> <h3>Europe PMC-OAI details</h3> <ul> <li>Base URL:聽http://europepmc.org/oai.cgi?</li> <li>Europe PMC聽<a href="/oai.cgi?Verb=Identify">OAI verbs</a></li> <li>Europe PMC聽<a href="/oai.cgi?Verb=ListmetadataFormats">metadata formats</a></li> <li>Europe PMC聽<a href="/oai.cgi?Verb=ListSets">sets</a></li> </ul> <h3>Access to full text</h3> <ul class="doc"> <li>Use the metadataPrefix聽<code>=pmc</code>聽to get the full text.<br/> e.g.聽<code><a href="/oai.cgi?verb=ListRecords&from=2007-10-01&metadataPrefix=pmc">http://europepmc.org/oai.cgi?verb=ListRecords&from=2007-10-01&metadataPrefix=pmc</a></code> </li> <li>The parameter聽<code>set=pmc-open</code>聽identifies the complete collection of items in PMC for which the full text may be harvested.<br/> e.g.聽<code><a href="/oai.cgi?verb=ListRecords&metadataPrefix=pmc&set=pmc-open">http://europepmc.org/oai.cgi?verb=ListRecords&metadataPrefix=pmc&set=pmc-open</a></code> </li> <li>Retrieve a record by identifier.<br/> e.g. <code><a href="/oai.cgi?verb=GetRecord&metadataPrefix=pmc&identifier=oai:europepmc.org:2654146">http://europepmc.org/oai.cgi?verb=GetRecord&metadataPrefix=pmc&identifier=oai:europepmc.org:2654146</a></code></li> </ul> <h3>Supported data formats</h3> <ul class="doc"> <li>The U.S.聽<a href="http://nlm.nih.gov/" target="_blank">National Library of Medicine (NLM)</a>聽Journal Archiving and Interchange XML format, for metadata or full-text article records.聽<a href="http://dtd.nlm.nih.gov/" target="_blank">Complete documentation</a>聽is available.聽<br/> Use聽<code>metadataPrefix=pmc_fm</code>聽for metadata, and聽<code>metadataPrefix=pmc</code>聽to get the full text of an item.</li> <li><a href="http://dublincore.org/" target="_blank">Dublin Core</a>聽format, for metadata only.聽聽<br/> Use聽<code>metadataPrefix=oai_dc</code>.</li> </ul> 聽聽 <h3>Automatic Segmentation of Large Result Sets</h3> <ul class="doc"> <li>If a聽<strong>ListIdentifiers</strong>聽request results in more than 1,000 hits, PMC-OAI will return the first 1,000 with a <code><resumptionToken></code> that can be used to get the remaining items.聽</li> <li>If a聽<strong>ListRecords</strong>聽request results in more than 25 hits for PMC full text, 50 hits for PMC metadata or 250 hits for Dublin Core format metadata, PMC-OAI will return the first 25, 50 or 250 records, respectively, with a <code><resumptionToken></code>.</li> </ul> </div> <script type="text/javascript"> /*<![CDATA[*/ $(document).ready(function(){ var availWidth = $('.secondMenu ul').width(); if(availWidth > 813) { var count = $('.secondMenu a').length; var width = availWidth/count; $('.secondMenu a').each(function(){ $(this).css("maxWidth", width + "px"); }); } }); $( window ).resize(function() { var availWidth = $('.secondMenu ul').width(); if(availWidth > 813) { var count = $('.secondMenu a').length; var width = availWidth/count; $('.secondMenu a').each(function(){ $(this).css("maxWidth", width + "px"); }); } }); /*]]>*/ </script> </div> </div> <footer id="epmc_pageFooter"><div class="epmc-elements"><div data-v-9b7d8ffa="" id="footer"><div data-v-9b7d8ffa="" id="follow-us-section"><p class="h2">Follow us</p><div id="follow-us-icons"><a href="http://blog.europepmc.org/" class="action"><i class="fas fa-blog feature-large"></i><br>News blog </a><a href="//europepmc.github.io/techblog/" class="action"><i class="fas fa-cogs feature-large"></i><br>Technical blog </a><a href="//twitter.com/EuropePMC_news" class="action"><i class="fab fa-x-twitter feature-large"></i><br>Twitter </a><a href="//www.youtube.com/user/EuropePMC" class="action"><i class="fab fa-youtube feature-large"></i><br>YouTube </a></div></div><div data-v-9b7d8ffa="" id="footer-bottom"><div data-v-9b7d8ffa="" class="partnership-and-funding container"><h2 data-v-9b7d8ffa="">Partnerships & funding</h2><p data-v-9b7d8ffa=""> Europe PMC is developed by <a data-v-9b7d8ffa="" href="https://www.ebi.ac.uk/">EMBL-EBI</a> with support from the <a data-v-9b7d8ffa="" href="https://europepmc.org/Funders/">Europe PMC Funders' Group</a>, in collaboration with the <a data-v-9b7d8ffa="" href="https://www.nlm.nih.gov/">National Library of Medicine (NLM)</a>, as part of the <a data-v-9b7d8ffa="" href="https://www.ncbi.nlm.nih.gov/pmc/about/pmci/">PubMed Central International</a> archive network. </p><div data-v-9b7d8ffa="" class="partner-logos"><img data-v-9b7d8ffa="" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEkAAAA3CAYAAABAW2dtAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAwwSURBVHgB7VsJdFTVGf7eMjPJJJksCBTcUrBSQKEHIkvUEhulgXoIgkpEAtaqdYMgJCFQ0XGpZDFVY9WDhWo5uCSCCEWs2gqKsiiCAiKIYDhSETWZJGTWt9z+7yXvzWQZGnRmYo58nMm793/33vfe//77rw8Op6GjcQEmKAwLeWA0dWUwvMME3JZailoOp4HmhZglyXi2PZ2Y87XViozTTCLUFeFLkqCzOjvHc3j9J8+k+iJcTEx4N9x5OtfAI4poWojzT5TgTvyIIYikf04CjkNiVJnkWILPVIYBrmLMRTeDOWFvWoBM159wbihd9eIASYsUbh4p8x0x2W6NJVjJM2xOKsNSdAN8JcjxKniBmimtpPUpCcj1AD9TPLgOPIYrCvI7myuKGBpVSTLg8ONmWcUf6E3mIsZoXoS+PoaXEGSQhitPePGm5MEsxY7ljlLMFHgsbDf1S17AhKQl2BczxU366ZeKjNfoglNTKrATMUJzCcZLCl5vTyer9WlyOYaE0mhLpjW4cSGTUZ+ajIOcEz6NHlPr1lSM+aSjbuNkjEp+BPWIAb4rwGjBim0dTnB4N7Ucl3ZlDRExhKMclY3FyIIVNdS9HBGGaz7OFQXcoHCQkuPxJElCQ2Ic0nyqpn8hhI5VOTze1XVj7ic1FGEg3fAOEvf7SNwfRYRwrATpdhVbSFL7aX26Ri1d4xBxZy/P4xmBYTZjmKqQrrFwuD+pHKu6una3OJN1xXDSTd9DVuNSRwXeQwTgKsKNdFjejvxgagUW4wciJtatPXqVw0lvdYfM4QmXs43V+d4gCRLa04iwHRFARHVS4a23XvBNU1220U+Md7z65PLln3c2VhDwgKJiHe/VPfIH8QPw7XyMpK2VT9vCQ9vMrtE4Hm85yrAeEUBEmXSs/pvf+v2Bh42+T1Z20OHzGddclaOo7ClVVaSUtKSbli5//h16gH/SFtmkqpjvX4R1toewu6vXcRejv5/hOdoGY4gp2+g4UuXhTHYhuzEZl1Hbk1oWPh47VUSUSX6//8wQNceGDBm2C3gZksrmKLKcrhFd9c2z6fCO1uZFlKgytnollFF3Qlev08gwNh7IYi3dLHL6spNL8Vbr6TcQYURUJ3E8P9xoW63Wj5xOp0drK4r8vkEXReG/Rjt5ia4z3qaHzWksQk5XrnGcrGMCFxILcqhN7B8Z5R8OkVXcDMOMpqIqppe76pX195ESnSWI/GzOar8ndIpfwp/18cAi8ngTT7a8pwR3Wcl9UCn3I3K6SV9EW2EiNwd+RBER227OgoJz9tYeOsPo8wK3I+Q0q167fkVn8/qmYBOFAptok2Z5/BRsAn9rP8a7AOcEgDK/gjxKXey0iLgy4SEcQ4wQMUn65MgXk9oQFGF/V+aRVyzTg1drbYqx/li/AMmh58lDH+NXsZ0UfB5JY6krgOxYMkiDKUl5kyengycLxNgIevGOk03iOE7hyM85c8Avrq6srPxOo9ms4gifP6CfFwTe/cLq1Z9o7ZnTr7nT5/VVGHP79eqb/tiyZcdD12MBvEjx1WLyjkfaBFyLVmk6sQB3S0yPzu0ChwIKa6o0+g3X533q8bjTtTbPC8teXP3KbPM5puY2qqpqbbkn65KALN/CVLWXeS1wG19as24iTgGmJClM2SgrSg5doA/H+LUWq7Wy/U+0WP5Cb9SnKGqCrKrjjh45NMOYL8mKGVFzvGDqIykg9VdVFqf9OE7Y155BGlIfRYPSyhiPhHzf3RhIEvQipVceoG1Yb+MxKbmVQTU1NVa32z3QWDPOZvnQWOfW/Pw+sqw4jHP0PHN5eqOCINSLothMOkwk+mAyKHacAnRJmjXt6vFuny9d5xrPe6rXrM0LN2HalNxsRVFG62M5QWcyY0y89qpJIxDk/FajTTdlWjzaVlvCrWsXscorYx7d0KVePzZBS8yT5aI4a1JCGfYY4zasXT2crmcx1xd5c02P3z0seC0uYLc7spctXrxP6x8/fFgsXbOmt2KxuA2r21XoTPLLsikRZI4/DDd4w4Yq29+ffnNkkKJ+pP29Zfr0i9veuLALwbs932gKFn5ruLXJmdzbWIg9jEMmdc8iD/owvfnxieU4FDpOkuRB5s0L4mcrVlR/ZvT9kpJhXkvgP1i+YsUu+pmn6efG90Drdgu+bYsg/ifc4JdrtowisTH1WP/U3rqX7FX8l4WO6907SaffcsN1lGiTzzPoVmYJq8wbCnEzecqDjT7pvAJKzh1qP06RlUxzDFib9QSRywrp7kGEIBYW5ifUHnSZYkpvcsT1106p6mywx+03mUl7/UDl00/rSltSlIvMBS3iF48//sy3WrvJ4zOTWgLPf/VMdfWuztaltG4J6TonibHNoBHDxtKhQ+zFOHaJ2eGCksk2bhSnVT1ivqw4mzUiwa0Gsba2aUQogWNsDIn5mHATrBbLN623VWPQeHCDFKPN8KpJZ5z51mlNzStm7ddzFeJeSsLfS2Kh/aulAZ+SFE2gX/4Xc1Hxc1Lqxtj5d9xx7pGjRy40+gnxCWbGcebSv440rJqG9H6pEQluNYh20ZLtkYxHxK55Jb+/pGtT+0vPr3oFzrvuStt7+OBAg2qx2T4w2rIsmRaPmNshhUoWbA6lOO6FrmdxnNoz6KiZ6wnUPjvNhoupbTL92NdfDzXaZLFOTJk+auuylStbKby5VUmaP3dWtkh5JCAGJOk35oNYrR9nZEw6Jc1fe/zo70L7qsAd0I5VVVW2zW8FlXyT39dmq1GG8iaSmkroRk+LSuBMowScay5SOAvq6VwaUzEFIUziBDbWKCWSbto5ceIcMxwJBPxjzXGU5EcEwdM2+JXZEVk1ThFeX8DcmpqTWVBQqFdC9mzffgVZPKGVLg8ZcuFHxjgKZjVnrkLzW1pJq2gjvs9Kkaz5TJQL2qARiVFXtUnKqcxkhGi1fNzmRhgX1H+c2DHx/wMgMqaaptvvkW8ipT30ZBNkSYqLi4vf/48XalZrfXKVxlCY33KSw4cZGRl6NbTB3TTZmENK+4PS0lKXTqcongLUJxBSByNmTKPDtMZ6XbIKyfN+j6RLc0tS0YxxdFybl5t7NnnPpiqIs9rM2PDGG2cMaqprMLdbfELcJkQQIg/+MZKn2aT07AxsKiXNpv6/SSf8zdqN66GMHJCCip8FzS5JkVkNkVWm+zK6VLj1Gli61tcS9QEFz4XczBrtGM/jXz4FXq1JjNcynWtlRbqcuG1av6ZmzxGj7fN4x4Xe35Bh5+1DBGFkyPjduzcn883uLhUGLsjM0Wtm69atsw84wxpn0Jvg8GZmZno1c/yJze9oT68rxLPEmFmt5AYSuVF9KnCws2vUFWELOXFjScr2k64avH//u0lyfbMp9UPH2po47jJdQ23btsGRqPJi+/uLFGJWLTlRjNtlpm+zlgvzuD2lDE+FG//dPDxGefA5nKaJVAxIrcQRdBNiUpx0UU2MglUz2UbS0Uh/+rmKcX/oOIuKVYkPt+S6rSJ2ahVFpvutetayWz620BCbCq6Ccvrb1+iSdCTT03eohwU4aNtpd+uc7ZxAUsTIV+WDGc/uQNSZREFrHlmza4y+lcdiezxWouOdKNzdOGp0k5JQSxnLr9Dymd5QdCOiqpMoZ+2gB9X8mfRWUm1KAoZTNrKpK/MbivEGSdIVtOW+JOV9DroJUa3guj166Tk9hHRfVxmkgRikV1bIIvZGNyKq241SrwWhfRLbaRTxTwk3nhRSTXxZcCvyPLyUHdCY1a0fwEaNSVSdnYm2UvQVWavBihJ+DqVp2uSyKO7uL7SwZwe6EVFjEpnt61gwMULPj1/3erhjEi0c6oupAMCQqy/BYwm6EVHRSWwpuTwMWUafHMe3O8syhp1PRUoqPo4mXfQaVU9uSysLZgK6A1GRpLqDmEjbxAxXKIG2+RSma7W4ZjpMxo8EUZEkClQvCu2TUxizD0mjgei4AFzLJ3lmV43NR6TRQlSYRGa7zTam6lxUP2iINqLCJNJHzaF9ScUZ6MGICpNIUbctcDIMRA9GVJiU1Ef/SsQsBZGvMwU9GNGRpCK4SS+ZH4uSUzmO6mtZ6KGIakxEoYn2HaNeVSVpOkCuQI72f1rRwxDVLEBqBbJZS2VEexuDOAX/PjoP56OHIdofuzPKA91p4TCeQgytOJnusPQ8/fQ/kL5ziXc+EIcAAAAASUVORK5CYII=" style="margin-right: 20px;"><img data-v-9b7d8ffa="" src="/img/gbc-footer.86def661.png" style="margin-right: 20px;"><img data-v-9b7d8ffa="" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGwAAAAiCAYAAAC6NDzRAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAA7sSURBVHgB7VpnWJRXFn6BoQ4d6VXAESsgKlLUWLB3XDVG4+pqXHU1ETUao3Ht6WrUaDQmPomaxK6J2awawIIVULGBoNKR3ocyw7DnXIQFhYhEk/yY93lGh3vvd+eb78w55z3vuRrVBKjxh0BVrcLB69sRnXYWw9pPRkDrwdDQ0HyuPZ5vtRotQrlSDkVVJYrK8xGVEo7SiiKce3AClTRWrpCTIauavZeG2sNeLtILE/HN1Y+hraWDKd0W4fzDnxGTcQmvuI+EhYE1DsfshFTHGNN7LIOxnukz95NAjZeCkopCGOqaIDYzCmmFD8RYckE8RnSciv6ysWJub+QGZBWnirnUggTIrLygrKqAnra0yX3VBnsJOHRjO8ITjgsv6uk6FHcyI6En0YeHVRdsj3gPdzOjMdBjPPxaD0RGURKsDO3hYt4WW869g6S8OAR7zkQgXdcY1DnsBYHzU2llMeWlcsTn3BRjdx5FwkjPDK/5zMd473lQqBRIzo8XczczrsDOxAV/912Cv3nPRpmiFGkFD6BUKRGXdR0qVRUKynJov4oGn6P1bwLU+F3ILknDhvCFOENe5WLuAQczN/KcZAS6DRb5adOZt3ElORTdnPqI9aWVRejtNpyMnIet55bhWtp5+LcehAplqWCSgzxexcO8u9h6fpkwHl+nqaElrlWHxBaimh5sEnmLlZEd7ufcFt7AuJ97W4Q7c31LOJrJEHH/BIoq8oGKmjwV1HYcOtr6wpnmfri+RXhkZnEKGTiRrpsojGhn0hq7L39AzLJCjOeVZkFbooOyyhK1wVqKfVGbcCnpFGyNnTErYKWoqZhuB7gOxu4rH+Fa6ll42QUg2GsmUovuQ6ptjDaWnthI3sYkxNe5PxloAuRkBN7DwdQdG8IWIIu8dVC7VzGkwyQoqxXwsO4ijLX25D9FeFQbrAWoojyTU5oh3heUZaOqWone7iOgQX/rS6TIfTyXUZxMjM8AfdxHC1qvpBxWVJ4r5lILHlK4NBQeJ9UxEp5WVFFARq8WRjPTb4UB5KnGumaPc1k5uAJT57AWQJPUCUsKhWWVpejpNowYoAF5ziIqhn+mMOiGjjbdIad81LfNaBHGNp9dQt54Gt6OPWFt5ETqBtDf429IzIvFjgsrEZkSBj+XgVSHmUGX2OQgCo3X0s9h16V1uJ15FUGycdDV0iPDmkASPGJEkze2Zft2GBkZYd7s2SgsLETIokUI6Nmz0bXr16xB5JUr6NW7N95csECMzZo+HVlZWQ3WSbS1YWNtg6DBgzB4yBBoadUk0w/XrUNGRgY2bN6M58XPP/2EXTt2NDnv060bli5fjkP792Pfnj0N5jQ1NWFsbAzvLl0wbuJEWFlZifHYO3fw7pIlWPree/Dp2vWpPZ3N2qJPm1FU/NoggVhhhbJcjHOh3E8WDLaKPbHA6NTzqFRVileBPAed7XrAUmoLe1NXHEu7IK4pIeWjkLzI2yGQDO5OedEep+J+EHOFZbmQK4rR3akv8miNRKVSYdSYMY1+UX19fSgUCsTFxiI7Oxu7du6Ef0AANDQbVgO5ubn4fu9elJWVwdnFpW783r17kJBBJk6eXDcmpzUXz5/H4pAQKCsrMSo4WIwnJycjKTERLUF+Xh5u37qF6TNnwtLS8ql5J2fnuvu8GRODuW+9JYzEqKqqQuKDB/h61y5ERETguwMHxDh/F15bUlzc6GfuifyEjHEO9sYumOG/HKOoIFbRuK9zP3x1eT1uZ1xFB/K08d5zKE8VQYc8x8HUDZ8T80sl+t7FoTdGdJoKQ1I3TPUsYSa1xjaq0Zhd9pWNEQW2mYEV/TDaUDGtwCdnF9M+xZC4t2mDKdOm4bceBkMmk+F6dDSS6MG61DMK4/Qvv8CCHlTB47X1YWVj89T+M+jBjiHP/un48TqD/V6wpw4cPBidOnd+5toxY8fC3sGhwZiLqyveX7sW6enpsLOz+83rmXpzOGSmWFhe850dyDPYyziH8RyvyS19JHKYIz10Fnm1NCUoJgWE5zhPSTQk5IWuMCTqr0XvS8oLxZ7y8iIKjXpkYFeYEttUkHcyOeHrmk06fHv0wJnwcPx45Ajmzp/fYC4sNBT+/v6IIM9pDiQSCaysraEgD/uroNaAqqpnC7Gcw0Z7Tod9sitklp2RWZSC7ZSLqsnHJnddgLGesxCVGkYhrhcVz1HEGt8XBpvX6wNM6hqCuzTGLPFS4kkcv71bEJIFr3yKCV3mivqrFxGY0PjD+G/sD2QwCyzutwWvd1uAjMLk5isd+lIpBg8dKoxWrVLVjefk5Iix115/vVn7MNOJjozCDfLWocOG4a+AIsrPRw4eFFHEwdGxWdeY6FmIXGSsay4UDPYM/m7F5QUwNbBAK6kd9EkTVJJ3sGewclFNqrwJGYBzFHtQ0WPvZPbIxjYzsISNkaMgGLWeW6msEPUYe5q1sQMk4WFhaIx4+JHHLKSkWx8DKOTso1xVPywePXQIru7uaOvh0egXu0O5pW5/+kKcw7IyM+FHuTB43Di8KCiVSoTMm1eXm+pjxerV6OzpWff3HArJtWRHQdfl0o+Oc9m2HTvRHLBhvqUcdjP9EiykNgh55WOM9ZoljNadctiXF9fgXvYNuLfqiDf8V2CM5xvQ1tSmB+6ETeFv4xHR/fY2XYU3GuubC6Pza8OZhVQuPKJabghGdphKRidyQkV0hbJMqB5sOImTkxNGjB791E3Z29s/Nda+Qwd07NQJ3xHTemfZMpTJ5Th6+DCGk0E0NRt3VnNz8wb7c8iJJRLzy4kTWLdqFZavXInmoLS0VLC8+uAfia+fn3jPn98/KAg2jeQfDr/10adfP5iamYn3/PDZYCcpD8+bPQv7jx6Fra0tngU2AINrLyV5jw6FNZacxJyWrvhfQWSBoaOpI+orzXrNSu6PcT0n7oHnNLVQXbe3pOZ9dY2iUl/ylbi6uWHK1KloDvhXOYyMs33LFixeuhQxN24gIT4eQQMGNHkNP8DG9pe1kWHzZ5vw6qRJYOLzLBQTW9tGn1u/fcfkob7Bhgwf3izSMZY8+0nSwfcxhAy+f9++urKkKWgQZQ8mr2lHXuJs2obqqbvYF71J3JsOhTNmhrFZfoIlXida//21reCn38rQFjP8lpGUdYvovT9+jT9E9P2A2G9+748x3fddpBU9hKe9P47f/Fo0OQ11TSmHfUZqyipB8Z9b6eju64tVK1bg7Jkz+A/VP/yA3JrxwJ+ET/dukJPXZD561CyD2RDbvBgVhZcFZoYOZMSHDx82a71CWUkaYCqMqK9loG1InqbJ7WDBBKUpBZB9EwWdYFtIbYzJs9gPNQQbLCRdMaskA/lUU7GhmIzQvyRdGSFHniGYJXehWezlcQl5Mq9hZYUVj+c2GCflLj4++IoK1YSEBLxJ9dTzgvPFBWKUBgYGjdZNfwYSyVDJSUkIGjjwmWuZROyJ2igK5suJp7C4/2bMClxJIa4K7cw6Ib3feJRfvQH56Qh0CN0v8hgb0oTkph2hbyJfno0HuXcwu+dqoSGakMLBeuGeyI1E+/OF+v+aTwhcW7UnZcRekJPvoz+rofXxVNx++cUXjd4Yhz9dXd0GYxwWx40fj/mU4Dk/BTahfNQiizyo/v4qChtJ9HAOE1mZRAW1OzGzWuRRHdfYvUgNDTGS8iAbuCnwj4Bz3OWLF5+aY+/hcFkLXmcg/X9Xt6SkBMeoXDGjvDZ5yhQ8G9Uk2DrSQ78tPIzrL6b2ckUJHA1doC1rjfLIGGia05yGQqjxzBK5rjLRMxeeYkA6YinVZI+ogcmhzpKamIZ6xpQHC0URXViRSzQ+6fFntRbyF58NkfBDCD19utHb6kcx3ZCkKS9vb9jUS8R9+/eHf2AgfMjT6ueCDh07wp0YY93fRFKY9j+5Pyf81WvWYuyE8XVjralwzSMlorF7MTExwYiRo9AUOE+y19+LixOvJ+HRvr0wmDWF1a4kU116wqjaOjoYQJ41dcYMmFtYiDE2KK81aoR1crga2ekfVGf1hg0ZjlWNgzdqfmjaRDD6blwF46kToOvjiXPpp3Ak5ksxZ2XkQDlsOYXEdDhTh/kojZ+9/6OYsyPFfnbAaqLzucQM3fBd1AbqoYUJwy6iHBbS5xPxw1AfwmkhmDiExh9BWytPoVZsi1ghWN9U6iBzIXyehGBuuTD723lhlSAkS4K2IjkvDtfTItCLGpgp1B87cftbsebdoO3iKEFC9i2h4POak1Q48w9iTuBahCccQ0F5ttpgLQEbhvtarLbrk/T0Tv/PqcWiIg+Qw8rQAZ+GLyC98D7lH0cs7LsBRWX5QqFnJX796TnigI4j6YrzqX5j7ZDDahUV1R/+Ok8cFfCyD8C0HkuRQg1Sznt58izqaC8QRlef6WgBmLVxx5jBZza4jjp7/zhOxx0SpIFzFaOVoQ3lVoU4OhB674gwmLlBTTeAi+Jc6iSHJRwV3sOtE1Y6mBk60d4ZpPqH3jtMjdBzwqBcLghGqfawlqHmiMA9ITPFpF/EXmJ4jCHtJ4kjAnzYxpEY4HmqpWrzG9dgMksvoXQ4Uf124Po2cU6R8a+ea4VInE9GtKW2zDdXP0JUyhkhb73dbzMZTJc8s0DdcW4p+NfOB24YDkQS2HMqiRR4WHmTqHuKvOYoNTCDhbew7khqIhlJhrD7RxGdfBaD2k2Ai0VbcQCHFX1mgqfj9iMuKwajOk2Dq0V7IRI7m8uoeDYWLJEbnGoPe0Hg3MMszkBHKnJYWsFDoup2WNR3k5CoOIepKPetPzUHpdSQ5CNuIaTQs9foC4pfRDlsLlH3Mnja+WE6sUmm/xxG9esdLFXnsBcEfqjcCpEQre9k6yvG3Ej8rSQD7I38FHuJpmtTHmI6z2BhmE9E8THufVSESylPcRHNykZH6kozTIlw6D9xCljtYS8J3B020DES1P9ITE0XgJmfF2mI3IyUUpjjo9p88ooxJ3A1ZBRO2cDqo9p/AthYDFeLdjUdZ3rPJOTYrd1EUi6IWquDbXdqWMaKc/Z2lAdZzf8tYzHUHvYHgFspDPa6dadmCQmrNodx45KPB3Cx3Ryoc9gfADYGv7hm87IPFB3lro6viK4zs7/mGovxPw4tcJh4SuHZAAAAAElFTkSuQmCC"></div><p data-v-9b7d8ffa=""> Europe PMC is an <a data-v-9b7d8ffa="" href="https://elixir-europe.org/platforms/data/core-data-resources"> ELIXIR Core Data Resource</a>, <a data-v-9b7d8ffa="" href="https://globalbiodata.org/what-we-do/global-core-biodata-resources/"> Global Core Biodata Resource</a>, and conforms with <a data-v-9b7d8ffa="" href="https://www.ebi.ac.uk/long-term-data-preservation"> EMBL-EBI鈥檚 long term data preservation policies</a>. </p></div></div></div></div></footer> <script type="text/javascript" src="/Scripts/wz_tooltip.js?v=1.1.1"></script> <script type="text/javascript"> /*<![CDATA[*/ /**$(document).ready(function(){ $('#container-1 > ul').tabs(); });*/ /*]]>*/ </script> <script type="text/javascript"> /*<![CDATA[*/ var width = $(window).width(); if (width < 700) { /* $('#feedback-container').css('top', '44px'); */ /* $('#feedback-container').css('position', 'absolute'); */ $('#feedback-container').draggable(); } else { //@date 23/08/2016 https://www.ebi.ac.uk/panda/jira/browse/CIT-2216 //$('#feedback-container').css('top', height - 39 + 'px'); //$('#feedback-container').css('position', 'fixed'); } /*]]>*/ </script> <style> /*<![CDATA[*/ @media screen and (max-width: 870px) { #feedback-container { top: 44px; bottom: auto; position: absolute; } } /*]]>*/ </style> <script type="text/javascript"> /*<![CDATA[*/ jQuery.cachedScript = function (url, options) { // Allow user to set any option except for dataType, cache, and url options = jQuery.extend(options || {}, { dataType: "script", cache: true, url: url }); // Use $.ajax() since it is more flexible than $.getScript // Return the jqXHR object so we can chain callbacks return jQuery.ajax(options); }; jQuery.cachedCss = function (url, options) { // Allow user to set any option except for dataType, cache, and url options = jQuery.extend(options || {}, { dataType: "text", cache: true, url: url }); // Use $.ajax() since it is more flexible than $.getScript // Return the jqXHR object so we can chain callbacks return jQuery.ajax(options); }; /*]]>*/ </script> <script type="text/javascript"></script> <noscript></noscript> </div> </body> </html>