M.Yu.KOBERNIK, E.A.SANDAKOVA, V.D.ELKIN Perm State Medical Academy named after E.A. Vagner, 26 Petropavlovskaya St., Perm, Russian Federation 614 000 Sandakova E.A. — D. med. Sc., Professor, Head of the Department of Obstetrics and Gynecology of Advanced Training Faculty and Professional Retraining of Specialists, tel. (8342) 244-16-81, e-mail: selena11perm@yandex.ru1 Elkin V.D. — D. med. Sc., Professor, Head of the Department of Dermatovenereology, tel. (8342) […]