Gualandri, L., D. Boccardi, R. Betti, and S. Menni. “Adnexal Polyp of the Skin. Report of Two Cases.”. European Journal of Pediatric Dermatology, vol. 13, no. 4, Dec. 2003, pp. 205-8, https://www.ejpd.com/index.php/journal/article/view/222.