title: [Why belong to an HMO?].
authors.forename: Marc
authors.initials: M
authors.lastname: Horwitz
mesh_terms: D006264:Health Benefit Plans, Employee / Q000458:organization & administration*; D006279:Health Maintenance Organizations / Q000458:organization & administration*; D006801:Humans; D009726:Nurses / Q000523:psychology*; D009937:Organizational Objectives; D010342:Patient Acceptance of Health Care / Q000523:psychology