M.E. ZHELEZOVA1, L.I. MALTSEVA1, T.P. ZEPHIROVA1, N.E. YAGOVKINA1, R.S. ZAMALEEVA1, O.A. KRAVTSOVA2 1Kazan State Medical Academy, 36 Butlerov St., Kazan, Russian Federation, 420012 2Kazan (Volga region) Federal University, 18 Kremlevskaya St., Kazan, Russian Federation, 420061 Zhelezova M.E. — Cand. Med. Sc., Associate Professor of the Department of Obstetrics and Gynecology № 1, tel. +7-919-627-13-66, e-mail: […]