T.R. BATYRSHIN1, R.V. LATYPOV2, R.G. BATYRSHIN3 1Kazan State Medical Academy, 36 Butlerov St., Kazan, Russian Federation, 420012 2Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012 3City Clinical Hospital № 16, 121 Gagarin St., Kazan, Russian Federation, 420038 Batyrshin T.R. — Cand. Med. Sc., Associate Professor of the Department of Otorhinolaryngology, tel. +7-905-319-93-37, […]

Kh.A. ALIMETOV1, Sh.M. ISMAGILOV1, R.S. BAKIROV2, R.A. MUKHAMADIEV2, R.V. LATYPOV1 1Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012 2City Clinical Hospital № 18, 2 Mavlyutov St., Kazan, Russian Federation, 420001 Alimetov Kh.A. — D. Med. Sc., Professor, Head of the ENT Department, tel. +7-917-908-21-47, e-mail: lorkgmu@mail.ru Ismagilov Sh.M. — Cand. Med. Sc., […]