PASTERNAK, G.; BARTUSIK-AEBISHER, D.; AEBISHER, D.; FILIP, R. Crohn’s disease complicated with a bladder-fistula – a case report. European Journal of Clinical and Experimental Medicine, [S. l.], v. 19, n. 1, p. 76–80, 2021. DOI: 10.15584/ejcem.2021.1.10. Disponível em: https://journals.ur.edu.pl/ejcem/article/view/11877. Acesso em: 18 jan. 2026.