title: The nature of practice, then and now.
authors.affiliation: Christiana Care Health System, USA.
authors.forename: James H
authors.initials: JH
authors.lastname: Newman
mesh_terms: D002983:Clinical Competence; D006801:Humans; D007357:Insurance, Physician Services; D008329:Managed Care Programs; D010819:Physician's Role; D011216:Practice Management, Medical / Q000191:economics / Q000639:trends*; D011331:Private Practice / Q000191:economics / Q000639:trends*; D012219:Rheumatology / Q000191:economics / Q000639:trends; D012922:Social Change; D014481:United States