Chanthawong, S., W. Chau-In, N. Plailaharn, P. Bunsangjaroen, M. Thananun, and R. Saenkhot. “A Prospective Study of Tracheal Intubation and Immediate Complications in Emergency Room in Srinagarind Hospital”. Srinagarind Medical Journal, vol. 30, no. 3, Sept. 2015, pp. 256-61, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/39303.