Wollina, U., A. Chiriac, and A. S. . Karadag. “The Dermatological Spectrum of Coronavirus Disease-19 Disease: Cutaneous Signs for Diagnostics and Prognosis and an Expanded Classification: COVID-19 and Skin”. Open Access Macedonian Journal of Medical Sciences, vol. 8, no. T1, Aug. 2020, pp. 294-03, doi:10.3889/oamjms.2020.5091.