Myths and maths of DRGs.
D003365:Costs and Cost Analysis; D003953:Diagnosis-Related Groups; D004469:Economics, Hospital / Q000639:trends*; D006278:Medicare; D011445:Prospective Payment System; D011787:Quality of Health Care / Q000191:economics; D012051:Reimbursement Mechanisms; D013659:Tax Equity and Fiscal Responsibility Act; D014481:United States