U. Khalid, K. Majeed, M. Yasmeen, K. Mehmood, M. A. Muazzam, and J. Rehmani, “EFFICACY OF TAP BLOCK AND PLACEBO FOR PAIN IN PATIENTS UNDERGOING CSECTION SURGERY”, Pak Armed Forces Med J, vol. 71, no. 1, pp. 266–69, Feb. 2021, doi: 10.51253/pafmj.v71i1.2720.