CINXE.COM
Just a moment...
<!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: '91367b6d0bcda042',cH: 'hBL_77tklaZwuXRkqEAE.auUkJMBtWJAtIjgfvGPJfY-1739802697-1.2.1.1-fhKvZj1hIho6L27vjD_buK55wtA7NW6Q6Ap78NecFElU.5GAEeUd4Emim_ZrNHz2',cUPMDTk: "\/abstracts\/search?q=intubation&__cf_chl_tk=ntt41ovDxZ1jNwswN8G8XliZ4ZdmcnukEscFX0ZBjbg-1739802697-1.0.1.1-KGbEnaR4cz11s8tO3bZheXzqbAzCyq7F9quJ9darZAg",cFPWv: 'g',cITimeS: '1739802697',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=intubation&__cf_chl_f_tk=ntt41ovDxZ1jNwswN8G8XliZ4ZdmcnukEscFX0ZBjbg-1739802697-1.0.1.1-KGbEnaR4cz11s8tO3bZheXzqbAzCyq7F9quJ9darZAg",md: "T3m4vHbLKUObiv1a6bzpClByWeNEGBULc6GQ61Fea4E-1739802697-1.2.1.1-e1z3HFI11cAfZ46VkGdTeQ7BWawVwazdxbJBpbmaIf98DjrT.EykbUYP4mc8OvdfAO.HoLA6UoENy8.SvRaFXQ61uBebCNb8pjZEzM8.6pn9d48BGqLn6tZu4PKiKUJnPz0svvbH8ECTe9fwJEGC87gs9vNCn0Vw1rVmLYzevuX9OtNymelNoPRrIgTx1qNNlq5t8QgatUbEanVE2Iwg1PFmzfZs5GZZVwaxOgNTbSWkaLcH0uGXvy4TSxJ45IBWjxJkcP6r.PjxeoPWrB3vCiRI1Glxoca_PRVFyAG.On.8BQ4Fjmmkv_r1Bb3UTM45jxv0A0gyIkZ5X4raGYV6PpiCXDFalf8NfG9RMET1GYk91oWup0rFKZ7DLN3jLyr1P4NR_O0KlkZOnJRtQZNLOAeHcN3HVtZtSr7gXxogATyZcXYuMlsBjvBA2T1Aw3hLLsSL3mGjjWvM73as7y.SYuP6j9e8t8ECQ8VRtGVwQUXDJZbQiW_cT2ImCqFky7TAXypCicnSBw4FLDWP8wNL8EuDVVNhuCWoPK4MoChKINxfobCqGciL3B7E9zWVbXuZnHc.BevrqY49IZNYzdgQGSZYUKYfAa7zGw.LtnshqVkhalErvvbV9aBD7xBsn76_YqAG3g3VzhTQ.K5ZRKeUi5AWNxuKFmlZpPhFoBpQWVmabE7J4Ec_uSVlMvvvRCFSSwbwY8wbPMSkm433Vf35QuRw74broqvLWpUEzVs5XLT3hp5qsivqIvw7.VXCDDe1Jrllqk8eXDEyc.XLmfDHjZrlxrWl9KPbjRRBhhYG1qpR_CvsZJo9PA4QAjA2SVcVa1un.pkar8KDLJ4CaYEpBR2XjrsNWCy82FKJHn4PbC5ZjgpfBJPR08Ys07h5P_mfn2JVSpPktqxz7YBaRvs8_WQSJ13n759X2KpIKoyKyZKIYqZTA2ouBGxwUt0hMg.2z0XCTThbiOh1E5iPtGL9EPvYxGpZmnrypgvXAbqdfOlWepbPZKcxjIWKog2Dmc4UKW8kFLKO1FiBfNIx5lo.kfO2LU6mFFPDG17G6mdAAuOn0D5q.EaAVR9Dw7jbgYtsPLrzAzocxn3uGVxlPRMG7mfjJ2O4adX7dH2ild5yUeramVtIysvBf6_oy148a71W9eD5XTyFDh0TYhdU55o5PkDR3Nn8nctXYY.A19DaYzAfmtF9b5YKKhqSYE0tRHFUA4f6L7vA21Wpb3JZWlyUetdCxBXpg7X58AIBTA6P2QDfQiSDK.UBD56VsvIwc3KDg7AMAH4qnfM0MLlH2QP5h.E3Yls0lKoD32SqXzpaCj4oqcK7I2KRUpd6_iYl8N1s06sKk5ofjSrzhsceaDf1RC46T7abHpGTWwY_fiWODj_sEImdTa8DvTAupJ1uxl_E1_8G3a7HZCGEBDbChjcRP3ffZIz9uCiJP1arUf1BdvljRZnJfccv2rkXT18YrVbGvMAXOKa121QWSqmSBEwVSZB_CRQr22Gy9PN6dMkq3McXGkqr4x7pr4wRZBcJIc6qeFGGn5Kh2Q7rZeFaR8rUPNMJYKbPG_7QsavEc8uXdWkrPu3XVU.kqwmqqi05qD2uqzOYzsWHTzQP1zm4P68y4ryHtoo5sK3qTB_InRjB55.foh1kjBFZmJJQMzNigP63aGPQo3LCyntB9Qa8bMjnNPXo3_qpj3Aw1NJ31xzGMSfdqpvvoc6nPvSIWBumVbU0fG6t8P07XpJ41aenzZQIWVDpTFJ4VL8lXO9X20FLgG1RNMAT2SlWv_qikezLFMT3dnJuhUJCotJjLtiMU2aWYIYHUaR3IakiAyBNPerfHTt_LHvDF9VeLZEXWb_AMMCJ..gwCJCK1MYgUbbeuxdi42UZCzb1JtRHBFYGdPEAg85Ee95_9SbpwoxeQwuz3VQHg7JQvZ3VH.zrLcIesLrNnw",mdrd: "SZKw8Wij8XkWXGbfv58O2qs3hx5XIXQah8OPgNR5vjY-1739802697-1.2.1.1-pXNf.qgZPyt9hFgvbD5r1eixmU3KG4bxehbo12P1ZQ1pFOBYIuaLAd4PBhwNIuw12T_WmF8gAOaES997N9iRGGH_2Wnghp9FMylIo4.gsGFRnHkiJx2O1TRGmIpXoz2AhhO.1Ozxnl1Jhpi6_etAneqLuj119nC2PiP4FhyrWGa050jf5zq.kpgdhCYhNJNKqotZavZHKLPww4B9rnIenR7ndmHnL24cE8rgE5Lsz0bFmjJoXU1ONNo0w9VzI_pdd1aktlqHQDhDlTVIriXXQYkr_EJoaR2tJyirmc1KKdPjolScIHfCGaW5AKCeK0wUW65_RdkAe0zZRsNX2Y6CacNiZY1VEZDRQirMsoqrOGyoA5kFNcAN5TeioWt2mDpT4oVASamkc2vFP6gT1CjRcTpcCVJxVuHCX4N2Iq7z6n0mD.fYA4Zmx7bdyP72pa_5uDoeXUWfHXQzHwpUoQK823U341qRZAynZzeMvpJowbGyLTQYQD9xayVcSlEc6oBgB2ICV9PxOsuhl7nVvJahUlrBTN9DsXj57Qjmcg586jg1crNCHlyxBeeQz5YQrtWdmACcD491BFDFQr12HXL8vwqam3g08yEo35kADSLfzr6MXX1F01UYKhVX961bL8IF6GlcyRFhdEEk9JDNIkm18JQmP2I9Wy1WhotemkWH2GMSKAVd4SDPlh.FCx6P9lhfujHb4ZhcxL9SyG1ebwoyr7qpeAUteet4efkyy3yUOrqIzT.lxLJxRoy0c63hfFIzWv7CA7dOB0JMy.mmor0uwPE7y9OfsrGIElZPRVj21yXwewEoga0kaxMnejqgoEdaRZXT101BNem2WZNlNdkgFNg.Q4PiPkZ07Q1nvLhUZNmPtqes1.fZ2.ZC5ZplAgjz3zZDGExK4YWbYgoirJBEGJaS9z9QT5.5lDdQnYZNDA6Y0yP0Wepotd4Tq94kXiPDHKNGh0E9SQfKCOJyqhENFLpKP9aJ9CnvxtCBvSWvaxdAd2rZVuEeoBgtQ4lv2Bm9rLG4VFtdNI0zoVc73Ue_yPeVmD.OZvNorqBhVhPJ9cIbcQaLV3jyt3eERVF16OUgj60bJNHee2Rq_2Aut1E8DrvDMpeA0LL7NpKopLzWSLtv3H2lki44SqlYcaf7gvtSgiV_Gi8UdeJu2GDQc3opIwPRA2FDCieSKdgQ9ikuUE0tvEsuMdMaUPoBQaIMBUe.nFd8.gRM7C_6it41uUEPdrH6WjN9lMMS9964hgJhE1ndS3ixTTfiytADVcjlg9zuZfIZgc3Arw7xV7M8FhWK55tw2S7lMlKDjBcXbGaH8SuTis_dX34MdD_Unn1eqmaC0wBCvn86AR.KU1QAXiy9427Z08cIOP0wZq8Yx_lTu.96EbshiyBEwmBYV4op8cB0st2wl6SEsR9UemGmECxdQI2RQyzEj88IyhHvoI9NPzzQisHV6y1x8CrgtXxqVZMioOFHqwM.9eCeDSQ0HT_U.CaSKE8N6cTwqcThyApgWiQqaWKwGeJp9_11Hy2WSm_GMC54fOnAUqXXg4mzTCrtF0v7ifP1wbcodBsjzXtuAr0Mqh3Vb0x5Prz.CrDPEAbTnDt9vMsz2HfT8cfDluXNb7aNYpJPHI4yevii2MPC2ybFm3ZeS_0bSEzOw4E9xLVvJ5ea6Ce6Rd6TKNDMT563jWe8P_sNiJaYihr3rKelrsXkPDfNDWuvc.bv.HtRleQLK3bighLWuqURNTUS9e_p_v5Vz2A2fLwR.0_oH29pP6wInmR_Ke1zNwWApKV4VKgGUOjXGxPc61kQ1pUFPGJylGdJHVgBnnp7xUOiBIAxJeF_ZYoEIjlvep0xUTdZV_j.h197Loh5izjygPUE9spSCfCpbgD9T72j5HLXM30gmukZv6pUbJUdZFh9V6Jro8IYuN4o1ceAIw5JyevzfZ2mHSRJisfEVGwXE72dKoBjne72zWMnN8cnZ6U4C8xoRT.eT.VJhCHdNCRROBX4fYN0cg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91367b6d0bcda042';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=intubation&__cf_chl_rt_tk=ntt41ovDxZ1jNwswN8G8XliZ4ZdmcnukEscFX0ZBjbg-1739802697-1.0.1.1-KGbEnaR4cz11s8tO3bZheXzqbAzCyq7F9quJ9darZAg" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>