Kasawong S, Kedthongma W, Phakdeekul W, Kasawong K. Drug Use Behavior among Elderly in Nakhon Phanom Province. J Royal Thai Army Nurses [internet]. 2025 Apr. 12 [cited 2026 Sep. 17];26(1):338-46. available from: https://he01.tci-thaijo.org/index.php/JRTAN/article/view/273066