Adani-Ifè, A. ., F. . Alassani, K. . Doh, B. . Tchangaï, and M. . Djibril. “Sister Mary Joseph Nodule: Three Case Reports of Unusual Skin Metastasis”. HEALTH SCIENCES AND DISEASE, vol. 23, no. 5, Apr. 2022, https://www.hsd-fmsb.org/index.php/hsd/article/view/3645.