Phruksahiran, Priyaporn, and Noraluk Ua-Kit. “Factors related to the physical activity of patients with permanent cardiac pacemaker”. Chulalongkorn Medical Journal 68, no. 3 (July 1, 2024). accessed April 8, 2025. https://he05.tci-thaijo.org/index.php/CMJ/article/view/3171.