S. M. Khan, Zain ul Abid, S. Khan, and S. Ayaz, “Comparison of Mean Post-Operative Pain Score with or Without Bupivacaine Infiltration at Incisional Site in Patients Undergoing Midline Laparotomy for Clean and Clean Contaminated Wound: Comparison of Mean Post-Operative Pain Score for Clean and Clean Contaminated Wound”, apmc, vol. 19, no. 3, pp. 231-235, Sep. 2025.