"Spinal anesthesia for elective cesarean section. Use of the association of bupivacaine with different doses of fentanyl. Randomized clinical trial" (Master's). Candidate: Wesla Packer Pfeifer Ferrarezi. Advisor: professor Angelica de Fátima de Assunção Braga. March 22, 2019, at 14 pm, in the amphitheater of the Department of Pharmacology at FCM.