G.R. SHAKIROVA1,2, A.Z. VALEEVA1 1Kazan State Medical University of the Ministry of Health of the Russian Federation, Kazan, 2Republican Clinical Hospital of the MH of RT, Kazan Contact: Shakirova G.R. ― PhD (medicine), Assistant of the Department of Phthisiopulmonology, pulmonologist Address: 49 Butlerov Str., Kazan, Russian Federation, 420012, tel. +7-917-884-30-39, e-mail: adeleashakirova@mail.ru  Observation results of […]