title: [Negative quality assurance by nursing insurances and social security].
authors.forename: E
authors.initials: E
authors.lastname: Arens
authors.forename: W
authors.initials: W
authors.lastname: Gutmann
mesh_terms: D000368:Aged; D006801:Humans; D007355:Insurance, Nursing Services; D011785:Quality Assurance, Health Care / Q000458:organization & administration*; D011787:Quality of Health Care; D012943:Social Security