A. Iqbal, S. Perveen, I. Khan, T. Ahmed, M. I. Khan, and M. Tunio, “PREOPERATIVE ASSESSMENT OF SCORING SYSTEM DESIGNED FOR PREDICTION OF DIFFICULT CHOLECYSTECTOMY IN PATIENTS WITH SYMPTOMATIC GALL STONES”, Pak Armed Forces Med J, vol. 70, no. 2, pp. 610–16, Apr. 2020, Accessed: Feb. 02, 2025. [Online]. Available: https://pafmj.org/PAFMJ/article/view/4242