G.I. NURULLINA1, T.N. KHALFINA1, O.YU. FAKHRUTDINOVA2, L.A. GAINUTDINOVA1, R.D. MUTIGULLIN1  1Kazan State Medical University, Kazan 2Republican Clinical Hospital of the Ministry of Health of the Republic of Tatarstan, Kazan  Contact details: Nurullina G.I. — PhD (medicine), Associate Professor of the Department of Hospital Therapy Address: 49 Butlerov St., Kazan, Russian Federation, 420012, tel.: +7 (843) 290-18-20, e-mail: nurguzel@yandex.ru  The article […]