Gupta, A., S. Agrawal, N. Sharma, and N. Parth. “Extra Hepatic Bile Duct Injury After Laparoscopic Cholecystectomy: A Retrospective Study”. International Surgery Journal, vol. 7, no. 8, July 2020, pp. 2517-22, doi:10.18203/2349-2902.isj20203084.