Ansari, Shefa Tanwir, Karamjot Singh Bedi, and Shantanu Kumar Sahu. “Intraoperative Scoring System for Grading Severity of Cholecystitis at Laparoscopic Cholecystectomy”. International Surgery Journal 9, no. 1 (December 28, 2021): 75–80. Accessed October 13, 2025. https://www.ijsurgery.com/index.php/isj/article/view/8243.