1. Bykova V, Khafizova F. Morphological condition of the tonsils in various forms of inflammation according to biopsy studies. Rossiyskaya rinologiya. 2004;1:61-65. (In Russ.).
2. Hudonogova Z, Evstropov A, Vasileva N, Rymsha M, Podvolotskaya I, Sholar M. Efficiency of usage staphylococcal bacteriophage in topical therapy of chronic tonsillitis. Rossiyskaya otorinolaringologiya. 2011;6:176-179. (In Russ.).
3. Pluzhnikov M, Lavrenova G, Levin M, Nazarov P, Nikitin K. Khronicheskiy tonzillit: klinika i immunologicheskiye aspekty. SPb: Dialog; 2005. (In Russ.).
4. Yaremenko A. Lechenie i profilaktika infektsionno-vospalitel'nykh zabolevanii chelyustno-litsevoi oblasti u patsientov starshikh vozrastnykh grupp (kliniko-eksperimental'noe issledovanie) [Treatment and prevention of infectious and inflammatory diseases of the maxillofacial area in patients of older age groups (clinical and experimental study)]: Avtoref. diss….dokt. med. nauk. SPb; 2007. (In Russ.). Available at: http://dlib.rsl.ru/viewer/01003053508#?page=1 Accessed 28.02.2016.
5. Yoshikawa TT, Rajagopalan S. Antibiotic Therapy for Geriatric Patients. New York: Taylor and Francis Group; 2006.