Boccardi, D., Menni, S. and Palvarini, M. (2001) “Pilomatrixoma. A case with unusual clinical features”., European Journal of Pediatric Dermatology, 11(1), pp. 9–12. Available at: https://ejpd.migration.pkpps03.publicknowledgeproject.org/index.php/journal/article/view/177 (Accessed: 11 September 2026).