“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 ”, YHCĐ, vol. 67, no. 1, Jan. 2026, doi: 10.52163/yhc.v67i1.4103.