A.V. KARAKAYEVA, S.R. UTZ Saratov State Medical University named after V.I. Razumovskiy, 112 Bolshaya Kazachya St., Saratov, Russian Federation, 410012  Karakayeva A.V. — postgraduate student of the Department of Skin and Venereal Diseases, tel. +7-906-306-33-36, e-mail: VladislavovnaNE@yandex.ru Utz S.R. — D. Med. Sc., Professor, Head of the Department of Skin and Venereal Diseases, tel. (8452) 22-38-14, e-mail: s_utz@mail.ru This article […]