Saengsup, Pamila, Wittawat Pibul, Wiput Kojarunchitt, and Thongnet Nuengchaiyot. “Efficacy of Continuous Positive Airway Pressure (CPAP) 5 cmH2O during Cardiopulmonary Bypass (CPB) on Partial Pressure of Oxygen in Elderly Patients Undergoing Cardiac Surgery”. Journal of The Department of Medical Services 51, no. 3 (September 15, 2026): 97–106. accessed September 18, 2026. https://he02.tci-thaijo.org/index.php/JDMS/article/view/275904.