AL MARUF, Abdullah; CHOWDHURY, Iqbal Hosain; LATEEF, Kazi Ashkar; LASKAR, Manzoorul Haq; KAMAL, Md Mustafa. Epidural administration of ketamine or fentanyl with bupivacaine for postoperative analgesia – A comparative study. Journal of the Bangladesh Society of Anaesthesiologists, [S. l.], v. 22, n. 1, p. 21–25, 2014. DOI: 10.3329/jbsa.v22i1.18097. Disponível em: https://www.banglajol.info/index.php/JBSA/article/view/18097. Acesso em: 21 feb. 2026.