Poudel H, Bawa SN, Sharma SM. A comparative clinical study of intrathecal hyperbaric bupivacaine with and without fentanyl for hysterectomy. Asian J Med Sci [Internet]. 2020 Feb. 29 [cited 2024 Jul. 2];11(2):59-63. Available from: https://nepjol.info/index.php/AJMS/article/view/26548