Yasud, P., and P. . Kittipanya-ngam. “Quality of Life and Utility in Cardiac Surgical Patients at Queen Sirikit Heart Center of the Northeast”. Srinagarind Medical Journal, vol. 36, no. 3, June 2021, pp. 253-9, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/251199.