Shrestha, S., Bhattarai, B. and Shah, R. 2015. Comparative Study of Hyperbaric Bupivacaine Plus Ketamine Vs Bupivacaine Plus Fentanyl for Spinal Anaesthesia during Caeserean Section. Kathmandu University Medical Journal. 11, 4 (Sep. 2015), 287–291. DOI:https://doi.org/10.3126/kumj.v11i4.12523.