Nwokoro, C.; Amosu, L.; Igbagbolere, A.; Abeeb, B.; Ademidun, A.; Kalesanwo, E. Persistent Vitello-Intestinal Duct Presenting As Prolapsed Loop of Ileum at the Umbilicus: A Case Report. The Nig Health J 2024, 24, 1837-1841.