title: [Influenza, risk factor in aged persons? Apropos of a controlled trail of anti-influenza vaccination].
mesh_terms: D000367:Age Factors; D000368:Aged; D004311:Double-Blind Method; D006801:Humans; D007252:Influenza Vaccines / Q000627:therapeutic use*; D007251:Influenza, Human / Q000517:prevention & control*; D008137:Longitudinal Studies; D012306:Risk; D014613:Vaccines, Attenuated / Q000627:therapeutic use
chemical_list: D007252:Influenza Vaccines; D014613:Vaccines, Attenuated
vernacular_title: L'influenza, facteur de risque chez les personnes âgées? A propos d'une étude controôlée de la vaccination contre l'influenza.