The effects of UR on hospital use.
D003365:Costs and Cost Analysis; D003625:Data Collection; D006264:Health Benefit Plans, Employee / Q000706:statistics & numerical data*; D005102:Health Expenditures; D006302:Health Services Research; D006761:Hospitals / Q000706:statistics & numerical data*; D007221:Industry; D007345:Insurance Claim Review; D007348:Insurance, Health / Q000706:statistics & numerical data*; D014481:United States