Chidambaranath, R., P. F. Thomas, S. M. Zhen, and T. Reynolds. “Laparoscopic Cholecystectomy: Do Upper GI and Lower GI Surgeons Have Similar Outcomes?”. International Surgery Journal, vol. 8, no. 2, Jan. 2021, pp. 477-80, doi:10.18203/2349-2902.isj20210356.