Effect of dosage and influenza vaccine content on antibody response in an aged population.
D000368:Aged; D000917:Antibody Formation; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000276:immunology*; D008875:Middle Aged; D013223:Statistics as Topic; D014611:Vaccination
D007252:Influenza Vaccines