Influenza vaccination in elderly people.
Simonsen
Lone
L
Viboud
Cecile
C
Taylor
Robert
R
D000369:Aged, 80 and over; D016330:Frail Elderly; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000209:etiology / Q000401:mortality / Q000517:prevention & control*; D012621:Seasons; D006113:United Kingdom / Q000453:epidemiology
D007252:Influenza Vaccines