Trang DL, Van HTH. 35. PREVALENCE OF HELICOBACTER PYLORI REINFECTION AND SOME ASSOCIATED FACTORS: AN OVERVIEW. YHCĐ [Internet]. 15 Tháng Tám 2025 [cited 9 Tháng Hai 2026];66(VoL 66. English Version No 1, 2025). Available at: https://tapchiyhcd.vn/index.php/yhcd/article/view/2781