Phisaiphun, K. ., and O. . Kyokong. “Factors associated with 1-year mortality of patients undergoing coronary artery bypass grafting at King Chulalongkorn Memorial Hospital”. Chulalongkorn Medical Journal, vol. 56, no. 1, Sept. 2023, https://he05.tci-thaijo.org/index.php/CMJ/article/view/766.