А.G. KIRILLOV1, E.A. GURYANOVA1, 2, A.V. GOLENKOV1, 2  1Institute for Advanced Training of Physicians, Cheboksary 2Chuvash State University named after I. N. Ulyanov, Cheboksary Contact details: Kirillov A.G. — MD, Chief Researcher Address: 27 M. Sespelya St., 428018 Cheboksary, Russian Federation, tel.: +7 (8352) 70-92-42 (ext. 224), e-mail: giduv-muz@med.cap.ru The article discusses hereditary isolated hypotrichosis; hereditary erythrocytosis; […]