Guadagni M, Nazzari G. Acute Perniosis in Elderly People: A Predictive Sign of Systemic Disease?. Acta Derm Venereol [Internet]. 2010 Aug. 2 [cited 2025 Feb. 27];90(5):545-6. Available from: https://medicaljournalssweden.se/actadv/article/view/7746