Pacan, Przemysław, Magdalena Grzesiak, Adam Reich, and Jacek C. Szepietowski. “Onychophagia As a Spectrum of Obsessive-Compulsive Disorder”. Acta Dermato-Venereologica 89, no. 3 (March 19, 2009): 278–280. Accessed July 25, 2026. https://medicaljournalssweden.se/actadv/article/view/9219.