Ameh, Emmauel A, Philip M Mshelbwala, Mohammed M Dauda, Liadi Sabiu, and Paul T Nmadu. 2005. “Symptomatic Vitelline Duct Anomalies in Children”. South African Journal of Surgery 43 (3):84-85. https://www.ajol.info/index.php/sajs/article/view/34345.