Muknumporn, T., C. Sinkuakool, and P. Kingsungwal. “Evaluation of High Volume, Low Pressure Endotracheal Tube Cuff Pressure”. Srinagarind Medical Journal, vol. 12, no. 3, Nov. 2013, pp. 117-22, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13994.