R.A. PHAYZULLINA Kazan State Medical University Phayzullina Rezeda Abdulakhatovna Doctor of Medical Science, Professor, Head of Department of propaedeutics of children diseases and departamental pediatrics with the course of childhood diseases of the department of general medicine 4 Tolstogo Str., Kazan 420012 tel. (843) 226-71-72, e-mail: r868@mail.ru The article presents current data about the causes […]