Antibody-inducing effects of aqueous and depot influenza vaccines in the elderly.
D000368:Aged; D000917:Antibody Formation; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007252:Influenza Vaccines / Q000009:adverse effects; D007251:Influenza, Human / Q000276:immunology; D008297:Male; D010919:Placebos
D007252:Influenza Vaccines; D010919:Placebos