1. Otorhinolaryngology: National Guidelines / Ed. V. T. Palchun. M.: GEOTAR-Media; 2009; 960 p. (in russ.).
2. Ovchinnikov Iu.M., Gamov V. P. The Clinic of Ear, Nose and Throat at I. M. Sechenov Moscow Medical Academy: from S. F. von Stein until our days. Bull. Otorinolaringol. 2009; 4: 4–11 (in russ.).
3. Maltseva G. S. Modern etiological, pathogenetic and clinical foundations of diagnosis and treatment of chronic tonsillitis: Abstract Dis. Doct. Sci. (Med.). St. Petersburg; 2008 (in russ.).
4. Otorhinolaryngology: Textbook / Eds. I. B. Soldatov, V. R. Hoffman. St. Petersburg: ELBI; 2000; 329 p. (in russ.).
5. Windfuhr J. P., Toepfner N., Steffen G., Waldfahrer F., Berner R. Clinical Practice Guideline: Tonsillitis II. Surgical Management. Europ. Arch. Otorinolaryngol. 2016; 273 (4): 989–1009. https://doi.org/10.1007/s00405-016-3904-x