Singh, Ajeet Kumar, Partha Sarathi Nayak, and Komal Prasad Dewangan. “A Prospective Observational Study of Predictive Factors for Conversion of Laparoscopic to Open Cholecystectomy”. International Surgery Journal 11, no. 3 (February 29, 2024): 398–404. Accessed October 3, 2025. https://www.ijsurgery.com/index.php/isj/article/view/10190.