[Effectiveness evaluation of the influenza vaccination].
D004812:Epidemiologic Methods; D005069:Evaluation Studies as Topic; D005859:Germany, East; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000517:prevention & control*; D009787:Occupational Medicine; D014611:Vaccination
D007252:Influenza Vaccines
Beitrag zur Effektivitätsbeurteilung der Influenza-Schutzimpfung.