title: Changes in accounting practice necessitate modifications in Panel Survey.
mesh_terms: D000066:Accounting / Q000592:standards*; D000573:American Hospital Association; D003625:Data Collection; D006764:Hospitals, Community; D010044:Outpatient Clinics, Hospital / Q000191:economics; D013223:Statistics as Topic; D011795:Surveys and Questionnaires; D014481:United States