Medicare's transition to national payment rates: effects on hospitals.
D004469:Economics, Hospital / Q000639:trends*; D006801:Humans; D006278:Medicare / Q000191:economics*; D011445:Prospective Payment System / Q000191:economics*; D011907:Rate Setting and Review / Q000639:trends*; D012051:Reimbursement Mechanisms / Q000191:economics*; D014481:United States