PARVIN, M.; ARA, A.; NURJAHAN, K.; ROY, L.; LAILATUNNESSA, .-. Comparison of efficacy between intrathecal nalbuphine and fentanyl as adjuvant to hyperbaric bupivacaine for perianal surgery. Bangladesh Medical Journal Khulna, [S. l.], v. 53, n. 1-2, p. 27–30, 2021. DOI: 10.3329/bmjk.v53i1-2.54886. Disponível em: https://banglajol.info/index.php/BMJK/article/view/54886. Acesso em: 6 dec. 2021.