For citations:
Zharkov D.A., Kuzin A.A., Mal'tsev O.V., Svistunov S.A., Nikolaev R.V., Marin G.G. Clinical and Epidemiological Characteristic of Streptococcal tonsillitis in Organized Collectives. Epidemiology and Vaccinal Prevention. 2017;16(4):28-32. (In Russ.) https://doi.org/10.31631/2073-3046-2017-16-4-28-32
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