Comparatively Analysis of Adverse Events amongst 0.5% Hyperbaric Bupivacaine and 0.75%  isobaric Bupivacaine at Same Dose 12mg  in Patients Undergoing Caesarean Sections. Annual Methodological Archive Research Review, [S. l.], v. 4, n. 2, p. 581–588, 2026. Disponível em: https://www.amresearchjournal.com/index.php/Journal/article/view/2314. Acesso em: 17 oct. 2026.