Rakpongsiri K, Srisurak K, Rakpongsiri P. Heartbeat Interval Variability Analyzer for Health Check-up. Sci Tech Asia [internet]. 2020 Sep. 21 [cited 2026 Oct. 10];25(3):97-104. available from: https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/224160