Physician-induced demand for medical care: new evidence from the Medicare program.
D003120:Colorado; D003954:Diagnostic Services / Q000706:statistics & numerical data*; D006301:Health Services Needs and Demand; D006302:Health Services Research; D006801:Humans; D007349:Insurance, Health, Reimbursement; D006278:Medicare / Q000191:economics*; D008962:Models, Theoretical; D010820:Physicians; D011364:Professional Practice / Q000191:economics; D012044:Regression Analysis; D014481:United States