DIEDHIOU, Moustapha et al. Bupivacaine-Fentanyl vs Ropivacaine-Fentanyl: Evaluation of two Spinal Anesthesia Protocols for Emergency Cesarean Section. Journal of Drug Delivery and Therapeutics, India, v. 10, n. 6-s, p. 3–7, 2020. DOI: 10.22270/jddt.v10i6-s.4403. Disponível em: https://jddtonline.info/index.php/jddt/article/view/4403. Acesso em: 27 jun. 2026.