Obaid, Abubakar, et al. “Comparison of Intravenous and Intraperitoneal Magnesium Sulfate in Post Operative Analgesia Following Laparoscopic Cholecystectomy”. Biological and Clinical Sciences Research Journal, vol. 6, no. 5, May 2025, pp. 238-42, doi:10.54112/bcsrj.v6i5.1817.