Tchernev, G., S. Philipov, A. A. Chokoeva, U. Wollina, T. Lotti, I. Lozev, I. Yungareva, and G. K. Maximov. “A Patient With Multiple Keratinocytic Cancers (MKC): Uncommon Presentation in a Bulgarian Patient”. Open Access Macedonian Journal of Medical Sciences, vol. 6, no. 1, Jan. 2018, pp. 120-2, doi:10.3889/oamjms.2018.010.