I.G. ANDREEVA1,2, V.N. KRASNOZHON1, E.V. LUCHKINA2 1 Kazan State Medical Academy — Branch Campus of the FSBEI FPE RMACPE MOH Russia, 36 Butlerov Str., Kazan, Russian Federation, 420012 2 Children’s Republican Clinical Hospital, 140 Orenburgskiy trakt, Kazan, Russian Federation, 420138  Andreeva I.G. — doctor-otolaryngologist, tel. +7-905-025-57-17, e-mail: [email protected] Krasnozhon V.N. — D. Med. Sc., Professor, […]

L.T. BAYAZITOVA1, O.F. TYUPKINA1, T.A. CHAZOVA1, Yu.A. TYURIN1, I.D. RESHETNIKOVA1, E.V. LUCHKINA2 , S.B. MOSIKHIN3 1Kazan Research Institute of Epidemiology and Microbiology of the Russian Agency for Consumer Supervision, 67 Bolshaya Krasnaya Str., Kazan, Russian Federation, 420015 2Children’s Republican Clinical Hospital of the Republic of Tatarstan Ministry of Healthcare, 140 Orenburgskiy Trakt, Kazan, Russian Federation, […]