Iqbal, Misbah, et al. “Comparative Analgesic Efficacy of Intravenous Ibuprofen Versus Intravenous Paracetamol Following Laparoscopic Cholecystectomy ”. Journal of Postgraduate Medical Institute, vol. 40, no. 2, June 2026, doi:10.54079/jpmi.40.2.3937.