EVALUATION OF THE EFFECTIVENESS OF AN INTERVENTION TO IMPROVE ELDERLY PATIENTS’ SATISFACTION WITH OUTPATIENT HEALTH INSURANCE DRUG DISPENSING SERVICES AT HAI PHONG MEDICAL UNIVERSITY HOSPITAL IN 2025–2026. YHCĐ [Internet]. 2026 Aug. 1 [cited 2026 Sept. 8];67(CĐ11-NCKH). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/6082