Sharma, S., S. Goyal, and R. Goyal. “A Prospective Study to Determine the Effect of Cholecystectomy on Common Bile Duct Diameter in Indian Population”. International Journal of Clinical and Experimental Physiology, Vol. 2, no. 1, Jan. 2015, pp. 61-65, https://ijcep.org/index.php/ijcep/article/view/47.