Suwanakitch, P., J. Promtung, P. Sriphong, W. Wisetsup, A. Juncome, and K. Thatsakorn. “Comparison of custodial cardioplegia and blood cardioplegia in patients’ after double heart valve surgery: Retrospective study”. Journal of Medicine and Health Sciences, vol. 29, no. 2, Aug. 2022, pp. 55-63, https://he01.tci-thaijo.org/index.php/jmhs/article/view/258407.