Guadagni, Massimo, and Guido Nazzari. “Acute Perniosis in Elderly People: A Predictive Sign of Systemic Disease?”. Acta Dermato-Venereologica 90, no. 5 (August 2, 2010): 545–546. Accessed November 29, 2024. https://medicaljournalssweden.se/actadv/article/view/7746.