Ayaz, Muhammad Ahsan, Muhammad Qasim Butt, Khalid Mehmood, Muhammad Mohsin Ayaz, Maryam Abbas, and Zainab Qasim Butt. 2023. “Reduction of Early Postoperative Pain: Comparison Between Port Site and Intra-Peritoneal Infiltration of Local Anaesthetic Agent Among the Patients Undergoing Elective Cholecystectomy”. Pakistan Armed Forces Medical Journal 73 (4):973-76. https://doi.org/10.51253/pafmj.v73i4.4534.