Parvin, Moslema, Anjuman Ara, Kazi Nurjahan, Lipika Roy, and - Lailatunnessa. “Comparison of Efficacy Between Intrathecal Nalbuphine and Fentanyl As Adjuvant to Hyperbaric Bupivacaine for Perianal Surgery”. Bangladesh Medical Journal Khulna 53, no. 1-2 (July 18, 2021): 27–30. Accessed August 16, 2024. https://banglajol.info/index.php/BMJK/article/view/54886.