title: [P4P only useful on a system level].
authors.forename: Helmut
authors.initials: H
authors.lastname: Hildebrandt
mesh_terms: D019317:Evidence-Based Medicine; D005858:Germany; D006291:Health Policy / Q000191:economics*; D006760:Hospitalization / Q000191:economics*; D011785:Quality Assurance, Health Care / Q000191:economics* / Q000592:standards*; D012052:Reimbursement, Incentive / Q000191:economics* / Q000592:standards*