V.N. KRASNOZHON1, D.A. SHCHERBAKOV2, A.F. KHAYRETDINOVA2 1Kazan State Medical Academy, 36 Butlerov Str., Kazan, Russian Federation, 420012 2All-Russia Center for Eye and Plastic Surgery, 67/1 Zorge Str., Ufa, Russian Federation, 450075 Krasnozhon V.N. — DM, Professor, Head of the Department of Otolaryngology, tel. +7-917-291-33-22, e-mail: [email protected] Shcherbakov D.A. — PhD (Medicine), doctor-otolaryngologist, tel. +7-919-611-09-66, e-mail:[email protected] […]