[VIROLOGICAL AND SEROLOGICAL INVESTIGATIONS MADE DURING THE INFLUENZA EPIDEMIC OF FEBRUARY-MARCH 1962].
D058872:Epidemics; D004813:Epidemiology; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007251:Influenza, Human; D009975:Orthomyxoviridae; D012383:Romania
EPIDEMIOLOGY; HEMAGGLUTINATION INHIBITION TESTS; INFLUENZA; INFLUENZA VIRUSES; RUMANIA
RECHERCHES VIROLOGIQUES ET S'EROLOGIQUES EFFECTU'EES PENDANT L''EPID'EMIE DE GRIPPE DE  F'EVRIER--MARS 1962.