Meetathip S. The Relationships between Knowledge, The Number of Drugs Used and Drug Use Problems among Elderly Patients with Chronic Illness at A Medical Clinic. J Royal Thai Army Nurses [internet]. 2023 Jan. 2 [cited 2026 Sep. 20];23(3):504-11. available from: https://he01.tci-thaijo.org/index.php/JRTAN/article/view/258972