SAENZ, Luis et al. Gallstone Illeus, a difficult diagnosis: Case Report. British Journal of Healthcare and Medical Research, [S. l.], v. 7, n. 6, p. 01–05, 2020. DOI: 10.14738/bjhmr.76.9341. Disponível em: https://scholarpublishing.org/journals/index.php/BJHR/article/view/6995. Acesso em: 26 may. 2026.