Comparative Study of Dexmedetomidine and Fentanyl as an Adjuvant to Epidural Bupivacaine for Post-operative Pain Relief in Hepato-biliary Pancreatic Surgery. Anwer Khan Modern Medical College Journal, [S. l.], v. 10, n. 2, p. 143–149, 2019. DOI: 10.3329/akmmcj.v10i2.44127. Disponível em: https://www.banglajol.info/index.php/AKMMCJ/article/view/44127. Acesso em: 29 jun. 2026.