บุญมี อ. The study of Heart rate recovery period from treadmill Exercise stress test in child population 10 – 15 years old with normal Echocardiogram. JAHS [internet]. 2022 Dec. 27 [cited 2025 Apr. 3];7(2):1-12. available from: https://he04.tci-thaijo.org/index.php/JAHS/article/view/215