00533naa#a2200181#i#450# EN\INFRA-M\bibl\3639 20241125212648.1 1609-2163 20140905b2014####ek#y0engy0150####ca RUS RU Infectious Mononucleosis: Etiological Factors, Diagnosis and Treatment Problems Journal article Moscow INFRA-M Academic Publishing LLC. 2014 7 с. Journal article local Tyunyaeva N. Sofronova L. zh-szf.ru