M.A. Kazakova, R.A. Fayzullina, I.I. Akhmetov, E.V. Valeeva, E.S. Egorova Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012   Kazakova M.A. — Assistant Lecturer of the Department of Propedeutics of Children’s Diseases and Faculty Pediatrics with a course in children’s diseases of Therapy Faculty, tel. (843) 236-71-72, е-mail: [email protected] Fayzullina R.A. — Doc. […]