title: [Effectiveness of vaccination against influenza in the elderly].
mesh_terms: D000368:Aged; D005069:Evaluation Studies as Topic; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage / Q000592:standards*
chemical_list: D007252:Influenza Vaccines
vernacular_title: Effektiviteten af influenzavaccination af aeldre.