[EVOLUTION OF INFLUENZA AMONG A GROUP OF SCHOOL-AGE CHILDREN IN THE YEAR 1962-1963].
D000293:Adolescent; D005075:Biological Evolution; D002648:Child; D004813:Epidemiology; D006801:Humans; D007251:Influenza, Human; D012383:Romania
ADOLESCENCE; CHILD; EPIDEMIOLOGY; INFLUENZA; RUMANIA
EVOLU TIA GRIPEI  INTR-O COLECTIVITATE  SCOLAR A  IN ANII 1962-1963.