1. Small bowel obstruction due to a persistent omphalomesenteric duct;Herman;JBR-BTR,2005
2. Isolated well-formed intestinal tissue in the umbilical cord. A variant of cyst of omphalomesenteric duct;Iwasaki;Acta Pathol Jpn,1986
3. Disorders of the umbilicus;Cilley,1998
4. Meckel's diverticulum;Buchsbaum;Obstet Gynecol,1975
5. Cutaneous remnants of the ompahlomesenteric duct;Steck;Arch Dermatol,1964