GUARNIERI, Alfredo et al. Urachus’ carcinoma: A case report. Annali Italiani di Chirurgia, [S. l.], v. 78, n. 5, p. 451–452, 2007. Disponível em: https://annaliitalianidichirurgia.it/index.php/aic/article/view/464. Acesso em: 23 may. 2025.