2021. COMPARISON OF HEALTH PROBLEMS AMONG OLDER VERSUS YOUNGER ADULT THAI INTERNATIONAL TRAVELERS: Ploi Lakanavisid1, Kittiyod Poovorawan2, Ngamphol Soonthornworasiri3, Chayasin Mansanguan2, Supitcha Kamolratanakul2, Wasin Matsee2, Suda Punrin4, Watcharapong Piyaphanee2 and Pornthep Chanthavanich5. The Southeast Asian Journal of Tropical Medicine and Public Health. 51, 4 (Jul. 2021), 427–445.