T, Boonyapiphat, and Udol K. “Effect of a comprehensive heart failure treatment program on left ventricular ejection fraction and six-minute walk distance in heart failure patients with reduced ejection fraction at Lampang Hospital”. Biomedical Sciences and Clinical Medicine 59, no. 1 (January 1, 2020): 1–9. accessed August 29, 2026. https://he01.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/183019.