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://journals.scholarpublishing.org/index.php/BJHR/article/view/9341. Acesso em: 12 may. 2026.