S.A. KARPISHENKO, N.Yu. BELDOVSKAYA, S.V. BARANSKAYA, A.A. KARPOV Pavlov First Saint Petersburg State Medical University, 6-8 Leo Tolstoy Str., Saint Petersburg, Russian Federation, 197022 Karpishchenko S.A. — Doc. Med. Sc., Professor, Head of the ENT Department, tel. (812) 338-70-19, e-mail: [email protected] Beldovskaya N.Yu. — Cand. Med. Sc., Associate Professor of the Ophthalmology Department, tel. (812) […]

L.A. TIMOFEEVA1,2, A.N. SENCHA3 1Chuvash State University named after I.N. Ulyanov, 15 Moskovskiy prospekt, Cheboksary, Russian Federation, 428015 2Republican Clinical Oncology Center of the Public Health Ministry of the Chuvash Republic 31 Gladkov Str., Cheboksary, Russian Federation, 428015 3National Medical Research Center of Obstetrics, Gynecology, and Perinatology named after Academician V.I. Kulakov, Ministry of Health of […]