Jafferbhoy, Sadaf, Panas Symeonides, Melanie Levy, and Muhammad H. Shiwani. “Chronic Umbilical Discharge : An Unusual Presentation of Endometriosis”. Sultan Qaboos University Medical Journal 13, no. 1 (February 1, 2013): 143–146. Accessed April 26, 2024. https://journals.squ.edu.om/index.php/squmj/article/view/1767.