Persistent Vitello-Intestinal Duct presenting as Prolapsed Loop of Ileum at the Umbilicus: A Case Report. The Nig Health J [Internet]. 2024 Dec. 31 [cited 2025 Apr. 30];24(4):1837-41. Available from: https://www.tnhjph.com/index.php/tnhj/article/view/827