Phiske, MM, SS Sawalka, AG Ovhal, and HR Jerajani. 2006. “Woolly Hair Nevus Arising on a Verrucous Epidermal Nevus, With Controlateral Persistent Pupillary Membrane”. European Journal of Pediatric Dermatology 16 (1):13-16. https://ejpd.migration.pkpps03.publicknowledgeproject.org/index.php/journal/article/view/384.