1. Congenital umbilical hernia;Allison Kathleen;Brit. M. J.,1930
2. An unusual case of exomphalos or extroversion of the viscera in a newborn;Baker;Canad. M. A. J.,1929
3. Congenital hernia of the liver into the umbilical cord, with report of a case;Bullard;Am. Med.,1902
4. Hernia into the umbilical cord;Bonney,1913
5. Prolapse of the bowel through a patent omphalo-mesenteric duct opening on the side of the umbilical cord. Report of a case with operation;Cutler;Boston M. & Surg. J.,1924