Dhakal, Yogesh. 2017. “Effects of Adding Intrathecal Fentanyl As Adjunct to Hyperbaric Bupivacaine in Vaginal Hysterectomy: A Double Blinded Randomized Controlled Trial”. Journal of Nepalgunj Medical College 15 (1):32-35. https://doi.org/10.3126/jngmc.v15i1.23559.