Russian Journal of Skin and Venereal DiseasesRussian Journal of Skin and Venereal Diseases1560-95882412-9097Eco-Vector3701410.17816/dv37014MiscellaneousFrom the collection of Professor G.N. Kochergin “Colored skin” dermatosesKocherginNicolay GeorgievichMD, PhD, DSc, prof.nkocha@yandex.ruI.M. Setchenov First Moscow State Medical University15062015183636421072020Copyright © 2015, Eco-Vector2015