1. Tsvetkov EA, Veselov NG, Agadzhanova SN. Social Hygiene characteristic of ENT pathology for children attending pre-school institutions of St. Petersburg. Vestnik otorinolaringologii. 1996;6:33-37. (In Russ.).
2. Bogomil'skii MR, Chistyakova VP. Natsional'noe rukovodstvo. M.: GEOTAR-Media; 2008. (In Russ.).
3. Makkaev KhM. Chronic adenotonsillitisin children as an a problem of Pediatrics and Pediatric Otorhinolaryngology. Rossiiskii vestnik perinatalogii i pediatrii (Prilozhenie). 2002;7-11. (In Russ.).
4. Fokkens W, Lund V, Mullol J, Bachert C, Alobid I, Baroody F, Cohen N, Cervin A, Douglas R, Gevaert P, Georgalas C, Goossens H, Harvey R, Hellings P, Hopkins C, Jones N, Joos G, Kalogjera L, Kern B, Kowalski M, Price D, Riechelmann H, Schlosser R, Senior B, Thomas M, Toskala E, Voegels R, Wang de Y, Wormald PJ. European position paper on rhinosinusitis and nasal polyps 2012 (EP3OS). Rhinology. 2012;50(23):1-299.
5. Adenoids in children: Advances in immunology, diagnosis, and surgery