Nethan, C., N. Cheepcharoenrat, S. Lorsomradee, S. Lorsomradee, P. Ngamhom, J. Suthi, V. Kaewhan, and N. Poomsan. “Effectiveness of the Use of a Pillow for Endotracheal Intubation in Adult Patients and the Satisfaction of Clinical Staff”. Journal of Health Science of Thailand, vol. 27, no. 1, Feb. 2018, pp. 137-43, https://thaidj.org/index.php/JHS/article/view/2472.