C. Prinz, Jörg. “The Woronoff Ring in Psoriasis and the Mechanisms of Postinflammatory Hypopigmentation”. Acta Dermato-Venereologica 100, no. 3 (January 30, 2020): 65–68. Accessed July 23, 2024. https://medicaljournalssweden.se/actadv/article/view/1879.