Chantawong, S., Usupharach, W., Songsaengrit, B. and Kittipanya-ngam, P. (2021) “Validity of Pre-Operative and Post-Operative Cardiac Rehabilitation Questionnaires in Patients with Open Heart Surgery”, Srinagarind Medical Journal, 36(5), pp. 557–561. available at: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/252556 (accessed: 17 September 2026).