D.M. MANSUROV, D.KH. KHAIBULLINA, T.A. ВIKMULLIN  Kazan State Medical Academy — Branch Campus of the FSBEI FPE RMACPE MOH Russia, Kazan  Contact details: Mansurov D.M. — post-graduate student of the Department of Neurology Address: 11 Mushtari St., Russian Federation, Kazan, 420012, tel.: +7-929-725-22-01, e-mail: daniarmansurov@gmail.com The purpose — to study the structure of headaches in […]