“COMPARISON OF ANALGESIC EFFICACY FOR LABOR PAIN MANAGEMENT BETWEEN EPIDURAL BUPIVACAINE 0.0625% AND BUPIVACAINE 0.1% BOTH COMBINED WITH 1 MCG ML FENTANYL”. Vietnam Journal of Community Medicine 67, no. 9 (September 25, 2026). Accessed October 1, 2026. https://tapchiyhcd.vn/index.php/yhcd/article/view/6623.