L.A. KOZLOV, N.V. YAKOVLEV Kazan State Medical University of the Ministry of Health of the Russian Federation, 49 Butlerova St., Kazan, Russian Federation, 420012 Kozlov L.A. — Dr. Med. Sc., Professor of the Department of Obstetrics and Gynecology No.1, tel. 8 (843) 234-59-55, e-mail: nkt.yakovlev@gmail.com Yakovlev N.V. — Cand. Med. Sc., Associate Professor of the […]