Chau-In, W., P. R. Yimyaem, and P. Chernbamrung. “Correlation of Laryngoscopic View Between Awake and Anesthetized Looks in Patients With Suspected Difficult Intubation : A Preliminary Report”. Srinagarind Medical Journal, vol. 29, no. 2, May 2014, pp. 108-14, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/18259.