A Comparative Study Between Single Shot Intrathecal Morphine with Multimodal Analgesia Versus Currently Ongoing Multimodal Analgesia alone For Postoperative Pain Management in Hepatobiliary and Pancreatic Surgery. The Planet, [S. l.], v. 10, n. 3, p. 736–740, 2026. DOI: 10.5281/zenodo.23114272. Disponível em: https://bdjournals.org/planet/article/view/1536. Acesso em: 3 oct. 2026.