Cusini, Marco, Stefano Ramoni, Vinicio Boneschi, and Sebastiano Recalcati. “Chronic Nodular Dermatosis: A Quiz”. Acta Dermato-Venereologica 98, no. 2 (November 15, 2017): 299–300. Accessed February 23, 2025. https://medicaljournalssweden.se/actadv/article/view/2847.