2026. KNOWLEDGE ON THE PREVENTION OF RECURRENCE OF PEPTIC ULCER DISEASE IN OUTPATIENTS AT TRA VINH PROVINCIAL GENERAL HOSPITAL. Tạp chí Y học Cộng đồng. 66, Vol 67. English Version No 2 (thg. 6 2026). DOI:https://doi.org/10.52163/yhc.v66i8.4050.