[FEATURES OF THE INFLUENZA EPIDEMIC IN 1959 AND 1962].
D058872:Epidemics; D006801:Humans; D007251:Influenza, Human; D009017:Morbidity; D014586:USSR
INFLUENZA; MORBIDITY; USSR
OSOBENNOSTI 'EPIDEMI I GRIPPA V 1959 I 1962 GG.