P. Thapa, S. Panta, B. R. Amatya, and M. Rayamajhi, “Comparison of Intrathecal Midazolam and Fentanyl Added to Bupivacaine for Spinal Anesthesia in Patients Undergoing Appendicectomy”, Nep. Med. J., vol. 3, no. 2, pp. 334–337, Dec. 2020.