CHIFFLET, A.; ROLANDO, C. Peritonitis due to rupture of a umbilicus cyst. Cirugía del Uruguay, [S. l.], v. 5, n. 3, p. 34–37, 2019. Disponível em: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/254. Acesso em: 23 may. 2026.