A.T. SHAKIROVA, R.A. FAYZULLINA Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012  Shakirova A.T. — postgraduate student of the Department of Children’s Diseases Propedeutics and Faculty Pediatrics of Therapy Faculty, tel. (843) 236-71-72, e-mail: alzaika@rambler.ru Fayzullina R.A. — D. Med. Sc., Professor, Head of the Department of Children’s Diseases Propedeutics and Faculty […]