[Effectiveness of influenza vaccines].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005860:Germany, West; D006801:Humans; D007252:Influenza Vaccines / Q000009:adverse effects; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control; D008875:Middle Aged
D007252:Influenza Vaccines
Ein Beitrag zur Effektivität von Grippeschutzimpfungen