Parvez, Amna, and Mehreen Ansari. “Preoperative Risk Assessment Scores for Difficult Laparoscopic Cholecystectomy-Do We Need Them in Pakistan?”. Journal of the Pakistan Medical Association 75, no. 02 (January 26, 2025): 351–351. Accessed March 25, 2025. https://mail.jpma.org.pk/index.php/public_html/article/view/21259.