PARRA, S. R. M.; SÁNCHEZ, O. S.; IBARRA, R. M.; BARRIENTOS, C. Z. D.; GANDARILLAS, C. A. M.; GONZÁLEZ, J. M. E. Gallbladder agenesis in a patient with choledochoduodenal fistula, report of an exceptional case. International Journal of Research in Medical Sciences, [S. l.], v. 11, n. 8, p. 3012–3016, 2023. DOI: 10.18203/2320-6012.ijrms20232145. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/12417. Acesso em: 12 oct. 2025.