CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '91350e8018e9f8d0',cH: 'uCr3QB3JM1mtQLH6APbeaJTV2xE1zPYNp2QeoMKBH_o-1739787750-1.2.1.1-vqb3XInKHcfYXJTwFZixTh.up9.PVtI85DrnulmWMfFRwlsZt29BisZHr3GupeTx',cUPMDTk: "\/abstracts\/search?q=salbutamol&__cf_chl_tk=jARbI6LdSWl1LRJJLfVcvNJoNlc9AkC5VRd7ybw3zcE-1739787750-1.0.1.1-I5nRVcRBF_3.V3GuKAQmX0zrPu0.Lnf9FtWR.aklxCY",cFPWv: 'b',cITimeS: '1739787750',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=salbutamol&__cf_chl_f_tk=jARbI6LdSWl1LRJJLfVcvNJoNlc9AkC5VRd7ybw3zcE-1739787750-1.0.1.1-I5nRVcRBF_3.V3GuKAQmX0zrPu0.Lnf9FtWR.aklxCY",md: "9ntY6pqVoGAL7fPshdQAR4wzXgcGTvE6xx.58TCnfGs-1739787750-1.2.1.1-1FR1j1LM49YH.soOFiVKNz8xEOY8Qu0.VMylgV4FyAJR_m1kfh8zvDpmNqneKg6LPfzRdDPNzt4l045t8KSem7hFlsrTTTGEsy2jQ5hgGZUiNAYB05YHWxN9BhBTjC4NbG_N.ismxIKcJqVVxJMUeRT61XQvpBMufkERLjixR4M0eQT4WD.68QDwSeD5RsS0E5lLBG6jrC0zLPEtYje29XTXdN9Gz3hIJCh309l1ZqJaXOWjnAdVK9fqH.4ruFDAJQVT7VPKe30Fb35mCXc8NnzV.EF_Ko5t6oYhOehqggJAR8jAX.jdIrhgjHG4tcfSCOevuIMG.1.OD7ECghyvzQ0Dk4X8wWD.EsPnZ5qkH.GPrjBF.eDDdyqsraayenfSpdJ.bR6P9GEgOOe4UPYc9TZwTWxP_GVhlX_cJwq7z6e8wc1nECgtnjdLs8YOKg1COFwiMc0E95vEtzNT_uXYOKOcJXW4C0I22X.gVoRCqspFAVCzCxRq6WRxHzPez89fbYYRYpcIRrVWep7X3vl6JKwTKBoDZGTd5auU2r5Ae.EnQEPrM3dDlGkc4j81dtGYSA2f0rleYWP4YZ2gPMTWXQWBk_V4pblNybZGEnD4.aZP.BypG.PPnOfTWZ0FNSNTHR0ph4Y.ZMBKYtqLUgX_UxPsmjc_p9EqAu2u1fGKk8UmHYBa5VsexoYpn_XqpKYeJQLSxAELdZs3yncqamjlkL7GhOesCSN1aOwZBfJ.KVG0drlX8YlBKXyJ7cUq1M15BPwBY8vr5_.6kv_x6ZlfFsy4F9iRHviYA_3K9Fccc.Jmrev3Dd7gTqASIYbBTqkuulG8_57JqxBfKzAWpAq9.esWVRYqrbnpin82d1LPOpfnIU6lUFOVNGYiNfE44WhwhzxLZJDoOjS2k9DAbDV0.Gf17o9znM.TTTwZGiXdFuUAJhF4vQ7vjd0AubUMjNORcTn76wN2eiFrwixRWSBDi2bdgxDt_txoI3ViUyr86jN6_g4zfaqkHulvWtZhMkr1lzPP36sBi3dUGAwDUvQK3ecuRBHhNLN1Yh7O1qXPz.WgFMv2smP1FWGZKBFUGsO.LOBDalZ2Ic1s0OTAAqnZoa3UyTrmEOSExRMgwhFM3tVZhEasb9q5nkl9Lq5kxSPvSAhaan2T_FNRtt.lIiFC8jS6oZeCj7RYkIfi19178m9Uj_sQsRZQRRGP05MlyDHr7l_NglqtiVEfqrsQAWBCBZdjer2NCuN_cOcY77ztY49JQrpT2gz86X1E_nt3Pp1wNW9xNvvty6gTIv0Y_5y09AVx8CT3.m1FjN.71Pw1Dqqe3T9uYeEapAO71dkIox7VJ0.PgzliN3U1EDIRNvBWjf3wYZRZ6_WpzCxEEMU0BDnTdqg6AvW6D5liirKwjRp6z_OgXgBAj7_Uy5JdlPUZqvrAD5KKsXa2DsP2qyDbHz5m6lu15b66Daqph_AQLV6DCCiur.5NbgtqJs4L83v3loy00oktdzgIh7QSGb7FA8liN_nNkHeNxm6OazBl4m5Uo817EiSbcfR9Pw46Cau2GOqcsbP_HnZudVXYZMT2uq4aPYSdAtyIYNW.6R4c7ExWJOlGeDyPmRNUIXdHZg_vyYBvDapi2uZ3F4kas60xzCDbVmUUYEnFlYw8L8mR2DN5Ot50Exq9nCJT_Ryddp637KTvvYav3n5XtFcx3uN6G10fTPXi5xWUmLZb4cAVUUJwfblZ4Bmrl6Qmi5GOKDCwFntdgW9I_V6j8nEawwAE4ks_2GBwZhmhGruePCbmj9Z.J6DYl9VqqCSTOZ7KAFn9TAUSdEwckuY3kaEeArhmpFZZ_zCQuKUD7jhuwthl.JLOkhLiAK8qbhmB2qFtlSL_VnyRWt3BMa20WzqHG5NSUgAV_FQkhYHwfy3H8BdhE76eYosNmaKTvO7QxJ7LkNSJjg",mdrd: "u4E1ffKcdgTXj8eeeazSPp5_CdW4tdLVfwxHGr8Qe18-1739787750-1.2.1.1-ifRfpIJWUxYNkOQ5sTslo6fRDcMUhFWHpxVKXmQpRyEPG2_lt2jpnJPlo5zdyJptmsvndcSGAGwvAs_xXKntopXWqJi0x77WoK7LjKdZblCLURfr8NxDm8eF4ITMtl5DFRLd0vyeqtWjqRq8QVPOfGMffd21f5aAuwywbhVqxQaexNL3TeulgBJiVV2s3NSSUwqx7yDgKqWTRP6N96SsiQRuYuAzUJuNvFw8tYKGPX9uQV5Ny77tclm.FY3SjakOfJe_zbidvfc_L5nwGW3fFkR2cApJQruCQTm8BfKHe.Oz.4KOujPywLJiyd2wHz1wMxwGcb4DufsWWvU3PbI6IUIvixB3.4GsyAaVYsQlHWoy5x_w_cLP.LefKGHKclnTKqfVFh0Li28BFBSYn07QbcBOn_ZCS2yxzgMxcXd6noo2e8ndLF.P4fMU9xlOIy6MklFTUvjU.9NZzCOmYRYPr5_.T4V35F35qa.eJD8cUf5xntGtay6kMeF4q41XmKksHAKhjMk.KhQ1j3go.LmzMiLJGixrUSZSV4F4djvdJOhHri.xGZyyR5i8G2y3uZxGmTr9h_FboP7ALQacPRbBdkDIO9ZOWDgz.5lDESND90DFjfwGxJCUork5ksSw_EMUFbWJwk_XkbsGASrRoB1E6zd0xE7lfkl4uL5vr51qSX2Is46gDpmhALUIMZgWhekuEYwJr7BvpiFtGtXPWg0JdV99zexBhA5Y8wPB7cxIvWJrirqf.UeFPkyngFE3y7Hs5SGfyAzDH8g68KeXFNWpUU1zLxeeptKdFvrkMRDwPosNcVDMOo2L66bnqZs7dxr8xYzn52yNM_pCrFSXRJdYoQIFmKMujwhoOM93G9rlqtNs.ZeXMYFKMi0Vnr11M1xmWeWoyjrIsCsyN03B2vLgf2kTgI71pqY2K7BMXV2R74gltqkgip7fGMQNYsmnJi8LZlAU94vMSagN52ClmeP4GW.PDbUrWpM06HTzpQuTZhRjGWYXCjGJlhX6iUpMjil_raeMtWXlg49vWfzTKgqZ5.ocDXvhaUhxxpd.PDDDegSUYYDakCP.TYkcvZAYdNM5k9sAmonkM1TZru9vhYMMHM3n0n_yXz2EWkZ3ljnVxLxcqFRJHpJdhiOmTABilqpQQ6MMwJQRPcAEyW7RL.c0b3tbLckCsx4HiEGhZTPmEjT5Gjg395RMqI3sJvwY1GRGkgJEp9ZiDAn6pX1GIWDZ_usnHCgmHP.X_6Z.NEyus60MvEZtr5jTA.oaZP1gIWepmc.Yg0BxtgMaSEkK5Oj1IzGmG8enz3QzM0YHWTDfdQurwT3v1Ruot_qRtJqX7E2foJar5el1MO3lq0M7H16AIV0HWscoGB7XFxdkNxVpXjD.nsS_h52H6bngvr2jgvXKb3VdpVsKxJnmJEHOu0kieJEL94op87T0IuJu6BB_x4X.WC5rTkgfrcH7C3mWrFqBQNrBe3_6veH6txkNPmPoDxAorXb2CZopVG2mIRRdA1_Yc0OIuM5o.DM3GEwPWurJoGEkH4mCX.phNWDSFBHZqmexlYaUDBDORkoCl7ivN9iNRdNWQPOiuytnKqjgMPC8esKQvdqQfjqVf9Ryy7ntEj3twBKaFTg5KlSbi7W792ciZC5bRCugtaybDjkvHED1Q1Nw6nnQFr.W6NWphXLa_p6rbwwTWWBUkzr5vwa_zSMP3GOXwRrAoRS5gcoQP9mPuLCAFFpVHxcK17cUkf4_IW9ukvc4UwVXnx0tKX17iLMaLDjo3118KcoRA0T_MjMC8RCiUjnRjzn9MM0aDLMp5eUADPQSGL1D0is8C6JN0aVfq1FBDM81SccDejLVjDg02hypW87SrJAedU_MfLUgKNqX1dtbzIcMWHvEeMkMkyxV09uFddcpJqxdIGuPGPVKFDOCge.bKfApXx27VqQBeIuF1pzENAOlA6nnH96Hfc40rsRANMOpu4xcmEZv6sHy"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91350e8018e9f8d0';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=salbutamol&__cf_chl_rt_tk=jARbI6LdSWl1LRJJLfVcvNJoNlc9AkC5VRd7ybw3zcE-1739787750-1.0.1.1-I5nRVcRBF_3.V3GuKAQmX0zrPu0.Lnf9FtWR.aklxCY" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>