Wiedenmayer, Nadine, Deniz Goecebe, Ines Bertlich, and Ferdinand Toberer. “Erythematous Papules With Central Hyperkeratosis in Two Young Women: A Quiz”. Acta Dermato-Venereologica 104 (November 19, 2024): adv42217. Accessed May 31, 2026. https://medicaljournalssweden.se/actadv/article/view/42217.