Siriussawakul A. The Role of Ultrasonography in Confirming Position of Endotracheal Tube when Interpreted by Emergency Medicine Residents. Siriraj Med J [internet]. 2015 Oct. 5 [cited 2026 Sep. 18];67(5). available from: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/55221