Sharma NR, Timalsena P, DC S. A comparison of epidural analgesia provided by Bupivacaine plus Pethidine, Bupivacaine plus Morphine, or Bupivacaine plus Morphine plus Midazolam for lower limb orthopaedic surgery. J. Kathmandu Med. Coll. [Internet]. 2014 Mar. 3 [cited 2024 Nov. 22];2(3):117-21. Available from: https://nepjol.info/index.php/JKMC/article/view/9961