Asymptomatic cholecysto-enteric fistula and gallstone ileus: Two case reports . Annals of Medical Research, [S. l.], v. 26, n. 1, p. 0113–0116, 2021. Disponível em: http://www.annalsmedres.org/index.php/aomr/article/view/1397. Acesso em: 22 oct. 2025.