P. Kingsungwal, C. Sinkuakool, T. Muknumpoon, W. Jeerararuensak, and K. Uppan, “Simple Applied Apparatus for High Volume,Low Pressure Endotracheal Tube Cuff Pressure Measurement with Accptance of Nurse at Srinagarind Hospital”, SRIMEDJ, vol. 13, no. 4, pp. 191–197, Nov. 2013.