O.I. PIKUZA, E.A. SAMORODNOVA Kazan State Medical University Pikuza Olga Ivanovna Doctor of Medical Science, Professor at the Department of Propaedeutics of childhood diseases and theoretical pediatrics with a course of childhood diseases of department of general medicine 49 Butlerova Str., Kazan 420012 tel. (843) 236-71-72, e-mail: [email protected] In this lecture from the current position […]