FACTORS INFLUENCING PERCEIVED NEEDS FOR EMERGENCY MEDICAL SERVICES AMONG ELDERLY PATIENTS FROM FOUR PROVINCES IN THAILAND: Tassanee Silawan, Nitchaphat Khansakorn and Umawadee Laothong. SEATROPH [Internet]. 2020 Apr. 10 [cited 2026 Apr. 16];50(5):925-34. Available from: https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/86