Draisci, MD G, Frassanito, MD L, Pinto, MD R, Zanfini, MD B, Ferrandina, MD G, Valente, MD A. Safety and effectiveness of coadministration of intrathecal sufentanil and morphine in hyperbaric bupivacaine-based spinal anesthesia for cesarean section. J of Opioid Management [Internet]. 2018 Jan. 29 [cited 2024 Jul. 18];5(4):197-202. Available from: https://wmpllc.org/ojs/index.php/jom/article/view/939