title: Appropriateness.
authors.forename: Bruce J
authors.initials: BJ
authors.lastname: Hillman
mesh_terms: D010819:Physician's Role; D017410:Practice Guidelines as Topic; D010818:Practice Patterns, Physicians' / Q000592:standards*; D011785:Quality Assurance, Health Care / Q000592:standards*; D011871:Radiology / Q000592:standards*; D014481:United States