F. Zahid, H. Munir Tarar, and M. T. Muhammad Tariq, “INTRATHECAL TRAMADOL AS AN ADJUVANT IN SUBARACHNOID BLOCK TO PROLONG THE DURATION OF ANALGESIA: Tramadol As adjuvant in Subarachnoid Block”, Pak Armed Forces Med J, vol. 67, no. 4, pp. 534–39, Aug. 2017, Accessed: Dec. 23, 2024. [Online]. Available: https://pafmj.org/PAFMJ/article/view/640