1. Namazova-Baranova LS, Kuchma VR, Ilyin AG, Sukhareva LM, Rapoport IK. The incidence of children aged 5 to 15 years in the Russian Federation. Medicinskij Sovet. 2014;1:6-10. (In Russ.)
2. Baranov KK, Bogomil'skij MR, Minasyan VS. Current approaches to diagnosis and treatment of exacerbation of chronic of chronic suppurative otitis media in children. Vestnik Rossijskogo Gosudarstvennogo Medicinskogo Universiteta. 2015;1:41-43. (In Russ.)
3. Bogomil'skij MR. Pediatric otolaryngology in Russia - realities, problems and prospects. Vestnik Otorinolaringologii. 2006;1:4-7. (In Russ.)
4. Levina EA. Adhesive otitis as a consequence of inflammatory diseases of the nasopharynx and middle ear. Consilium Medicum. 2014;11(16):77-80. (In Russ.)
5. Borzov EV. The prevalence of pathology of ENT organs in children. Rossijskaya Otorinolaringologiya. 2002;1:3-5. (In Russ.)