Harichandan AK, Khuntia M, Sahu BP, Dash S, Biswal D, Dalai H, Jena S. A randomized comparative study of epidural ropivacaine 0.2% with adjuvant fentanyl or nalbuphine for post-operative analgesia in lower limb surgeries. Asian J Med Sci [Internet]. 2024 May 1 [cited 2024 Nov. 21];15(5):58-63. Available from: https://nepjol.info./index.php/AJMS/article/view/62539