title: [20 years of experience with anti-influenza vaccination].
mesh_terms: D005069:Evaluation Studies as Topic; D006801:Humans; D007252:Influenza Vaccines / Q000627:therapeutic use*; D007251:Influenza, Human / Q000517:prevention & control; D007558:Italy
chemical_list: D007252:Influenza Vaccines
vernacular_title: Venti anni di esperienza sulla vaccinazione antinfluenzale