Balajirao, Kotalwar Sagar. “A Cross-Sectional Study to Determine Predictive Factors for Difficult Laparoscopic Cholecystectomy Using Ultrasonographic Criteria”. Journal of Biomedical and Pharmaceutical Research 10, no. 6 (December 30, 2021). Accessed June 5, 2026. https://jbpr.in/index.php/jbpr/article/view/1280.