Wollina, U., C. Krönert, J. Schönlebe, A. Vojvodic, and T. Lotti. “Giant Squamous Cell Carcinoma on Chronic Lichen Planus on the Ankle - A Case Report and Short Literature Review”. Open Access Macedonian Journal of Medical Sciences, vol. 7, no. 18, Aug. 2019, pp. 3061-3, doi:10.3889/oamjms.2019.553.