S., R.; R. I., D. Peritonitis secondary to infected urachal sinus with complicated umbilical hernia. International Surgery Journal, [S. l.], v. 9, n. 6, p. 1265–1267, 2022. DOI: 10.18203/2349-2902.isj20221423. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/8741. Acesso em: 10 nov. 2025.