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<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:dc="http://purl.org/dc/terms/" xmlns:doi="http://dx.doi.org/" lang="en" xml:lang="en" class="no-js"> <body> <h1>May 2004</h1> <div style="padding-left: 10px"> <ol start="1"> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020161"> 10.1371/journal.pbio.0020161 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020159"> 10.1371/journal.pbio.0020159 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020156"> 10.1371/journal.pbio.0020156 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020154"> 10.1371/journal.pbio.0020154 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020151"> 10.1371/journal.pbio.0020151 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020149"> 10.1371/journal.pbio.0020149 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020148"> 10.1371/journal.pbio.0020148 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020147"> 10.1371/journal.pbio.0020147 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020146"> 10.1371/journal.pbio.0020146 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020145"> 10.1371/journal.pbio.0020145 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020144"> 10.1371/journal.pbio.0020144 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020143"> 10.1371/journal.pbio.0020143 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020140"> 10.1371/journal.pbio.0020140 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020139"> 10.1371/journal.pbio.0020139 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020138"> 10.1371/journal.pbio.0020138 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020135"> 10.1371/journal.pbio.0020135 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020133"> 10.1371/journal.pbio.0020133 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020132"> 10.1371/journal.pbio.0020132 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020130"> 10.1371/journal.pbio.0020130 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020129"> 10.1371/journal.pbio.0020129 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020128"> 10.1371/journal.pbio.0020128 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020127"> 10.1371/journal.pbio.0020127 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020110"> 10.1371/journal.pbio.0020110 </a> </li> <li style="b"> <a href="/plosbiology/article?id=10.1371/journal.pbio.0020092"> 10.1371/journal.pbio.0020092 </a> </li> </ol> </div> <br/> <em> LOCKSS system has permission to collect, preserve, and serve this open access Archival Unit. </em> <br /> <em> CLOCKSS system has permission to ingest, preserve, and serve this open access Archival Unit. </em> </body> </html>