Dao VT, Phuong TTH, Ngoan NT, Boi TV, Ai NK. KNOWLEDGE ON THE PREVENTION OF RECURRENCE OF PEPTIC ULCER DISEASE IN OUTPATIENTS AT TRA VINH PROVINCIAL GENERAL HOSPITAL. YHCĐ [Internet]. 11 Tháng Sáu 2026 [cited 5 Tháng Tám 2026];66(Vol 67. English Version No 2). Available at: http://tapchiyhcd.vn/index.php/yhcd/article/view/4050