Adil Hasan, S. K. “Effect of Addition of Intrathecal Midazolam to 0.5% Hyperbaric Bupivacaine to Prolong the Post-Operative Analgesia in Lower Abdominal Surgeries”. International Journal of Advances in Medicine, vol. 6, no. 3, May 2019, pp. 790-5, doi:10.18203/2349-3933.ijam20192240.