title: [Role of the Sentinel Surveillance System in the Influenza A (H1N1) pandemic].
authors.forename: Jordi
authors.initials: J
authors.lastname: Reina
authors.forename: Jaume
authors.initials: J
authors.lastname: Gimenez
mesh_terms: D000956:Antigens, Viral / Q000032:analysis; D006761:Hospitals; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000276:immunology; D007251:Influenza, Human / Q000175:diagnosis / Q000453:epidemiology* / Q000821:virology; D007753:Laboratories / Q000458:organization & administration; D058873:Pandemics; D011159:Population Surveillance; D012380:Role; D013030:Spain / Q000453:epidemiology; D013048:Specimen Handling
chemical_list: D000956:Antigens, Viral