A.A. YAKUPOVA1, T.V. NIKISHOVA2, E.A. BUSURGINA3, L.A. KHALITOVA3 1Kazan State Medical University, Kazan 2Kazan State Medical Academy, Kazan 3City Clinical Hospital No. 7 named after M.N. Sadykov, Kazan  Contact details: Yakupova A.A. — MD, Associate Professor of the Department of Neurology Address: 49 Butlerova St., Kazan, Russian Federation, 420012, tel.: +7-917-390-92-04, e-mail: aidayakupova@yandex.ru  The purpose […]