“COMPARISON OF ANALGESIC EFFICACY BETWEEN INTRAVENOUS PATIENT-CONTROLLED NEFOPAM AND KETOROLAC IN POST-CESAREAN SECTION PATIENTS AT HANOI OBSTETRICS AND GYNECOLOGY HOSPITAL FROM 2024 TO 2025 ”. Vietnam Journal of Community Medicine 67, no. 1 (January 15, 2026). Accessed September 8, 2026. https://tapchiyhcd.vn/index.php/yhcd/article/view/4103.