CHIDAMBARANATH, R.; THOMAS, P. F.; ZHEN, S. M.; REYNOLDS, T. Laparoscopic cholecystectomy: do upper GI and lower GI surgeons have similar outcomes?. International Surgery Journal, [S. l.], v. 8, n. 2, p. 477–480, 2021. DOI: 10.18203/2349-2902.isj20210356. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/6992. Acesso em: 20 feb. 2026.