M.A. RYABOVA, O.M. KOLESNIKOVA, E.E. POSOBILO, P.D. POTAPOVA Saint Petersburg First State Medical University named after Acad. I.P. Pavlov, 6-8 Tolstoy Str., Saint Petersburg, Russian Federation, 197022  Ryabova M.A. ― D. Med. Sc., Professor of the Department of Otorhinolaryngology, tel. +7-921-341-14-12, e-mail: [email protected] Kolesnikova O.M. ― Cand. Med. Sc., Associate Professor of the Department of […]

M.A. RYABOVA, N.A. SCHUMILOVA First Saint Petersburg State Medical University named after acad. I.P. Pavlov of the Ministry of Health of the Russian Federation, 6-8 Lev Tolstoy St., St. Petersburg, Russian Federation, 197022 Ryabova M.A. — D. Med. Sc., Professor of the Department of otorhinolaryngology with clinic, tel. (812) 499-71-76, e-mail: [email protected] Shumilova N.A. — […]

M.A. RYABOVA, O.M. KOLESNIKOVA The First St. Petersburg State Medical University named after acad. I.P. Pavlov, 6-8 Lev Tolstoy St., St. Petersburg, Russian Federation, 197022 Ryabova M.A. — D. Med. Sc., Professor of the Department of Otorhinolaryngology, tel. (812) 499-70-19, e-mail: [email protected] Kolesnikova O.M. — Cand. Med. Sc., otolaryngologist of the First St. Petersburg State […]