[Vaccination against influenza of the elderly population of Copenhagen].
Nielsen
P V
PV
D000368:Aged; D003718:Denmark; D006801:Humans; D017589:Immunization Programs; D007252:Influenza Vaccines / Q000008:administration & dosage* / Q000009:adverse effects; D007251:Influenza, Human / Q000276:immunology / Q000517:prevention & control*; D014611:Vaccination
D007252:Influenza Vaccines