L.A. KOZLOV, N.V. YAKOVLEV Kazan State Medical University of the Ministry of Health of the Russian Federation, Kazan  Contact: Kozlov L.A. ― MD, Professor of the Department of Obstetrics and Gynecology named after Prof. V.S. Gruzdev Address: 49 Butlerov Str., 420012, Kazan, Russian Federation, tel. +7-906-115-16-56, e-mail: klev1930@yandex.ru Professor V.S. Gruzdev was working in Kazan […]