O’Hagan, A., A. Irvine, T. Brennan, M. Walsh, and E. Bingham. “Fibrous Histiocytoma in a Nine Week Old Male Infant.”. European Journal of Pediatric Dermatology, vol. 11, no. 1, Mar. 2001, pp. 13-8, https://www.ejpd.com/index.php/journal/article/view/178.