S. Chanthawong, 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”, SRIMEDJ, vol. 30, no. 3, pp. 256–261, Sep. 2015.