Effectiveness of influenza vaccination.
Braun
M Miles
MM
Izurieta
Hector S
HS
Ball
Robert
R
D000368:Aged; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000401:mortality / Q000517:prevention & control*; D012306:Risk; D014481:United States / Q000453:epidemiology
D007252:Influenza Vaccines