CLINICAL CHARACTERISTICS AND TREATMENT OUTCOMES OF POSTPARTUM HEMORRHAGE DUE TO UTERINE ATONY USING FOLEY CATHETER BALLOON TAMPONADE AT HAI PHONG OBSTETRICS AND GYNECOLOGY HOSPITAL, 2020-2025. (2026). Vietnam Journal of Community Medicine, 67(CD9). https://tapchiyhcd.vn/index.php/yhcd/article/view/6009