O, A. E., A. A. O, O. A. A, and A. B. F. “XERODERMA PIGMENTOSUM: Difficulty With Management of a Case in Tropical Africa”. African Journal of Oral and Maxillofacial Pathology and Medicine, vol. 1, no. 2, June 2015, pp. 30 -33, https://ajompm.com/index.php/ajmp/article/view/41.