ZINZUWADIA, P. J.; PATEL, D. P.; SHETH, P. N.; PATEL, A. A comparative study of hyperbaric bupivacaine with fentanyl and sequential administration of isobaric and hyperbaric bupivacaine with fentanyl in caesarean delivery. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 14, n. 3, p. 729–735, 2025. DOI: 10.18203/2320-1770.ijrcog20250348. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/15035. Acesso em: 7 nov. 2025.