Pitaksinac hanekij, S. “Open heart surgery in Sonqklanagarind Hospital : The year 1993”. Srinagarind Medical Journal 10, no. 2 (November 20, 2013): 57–62. accessed September 17, 2026. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13776.