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://www.ejpd.com/index.php/journal/article/view/384.