title: [Frequent user patients in primary care: sociodemographic profile, clinical characteristics, and a proposed new definition].
authors.affiliation: Unitat de Recerca i Desenvolumpament, Sant Joan de Déu-Serveis de Salut Mental, Bercelona, España. jvluciano@sjd-ssm.com
authors.forename: Juan Vicente
authors.initials: JV
authors.lastname: Luciano Devis
authors.forename: Antoni
authors.initials: A
authors.lastname: Serrano Blanco
mesh_terms: D006300:Health Services Misuse / Q000706:statistics & numerical data*; D006801:Humans; D011320:Primary Health Care / Q000706:statistics & numerical data*; D012959:Socioeconomic Factors; D009626:Terminology as Topic