G.A. SHAYMARDANOVA, E.A. MOROZOVA Kazan State Medical Academy, 36 Butlerov St., Kazan, Russian Federation, 420012 Shaymardanova G.A. — postgraduate student of the Department of Child Neurology, tel. (843) 273-49-09, e-mail: [email protected] Morozova E.A. — D. Med. Sc., Professor of the Department of Child Neurology, tel. (843) 273-49-09, e-mail: [email protected] The article provides a brief review […]