KUMAR, M.; JAIN, T. Post-operative analgesic effect of wound infiltration with bupivacaine versus mixture of bupivacaine and tramadol in caesarean section under spinal anaesthesia: a randomized double-blind interventional controlled study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 15, n. 11, p. 4496–4501, 2026. DOI: 10.18203/2320-1770.ijrcog20263999. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/17570. Acesso em: 30 oct. 2026.