“FACTORS INFLUENCING PERCEIVED NEEDS FOR EMERGENCY MEDICAL SERVICES AMONG ELDERLY PATIENTS FROM FOUR PROVINCES IN THAILAND: Tassanee Silawan, Nitchaphat Khansakorn and Umawadee Laothong”. 2020. The Southeast Asian Journal of Tropical Medicine and Public Health 50 (5): 925-34. https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/86.