O.I. PIKUZA, A.M. ZAKIROVA Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012  Pikuza O.I. ― D. Med. Sc., Professor of the Department of Propedeutics of Children’s Diseases and Faculty Pediatrics with a course of Children’s Diseases of Therapy Faculty, e-mail: [email protected] Zakirova A.M. ― Cand. Med. Sc., Associate Professor of the Department […]