The grand illusion of competition in health care.
D003365:Costs and Cost Analysis; D004465:Economic Competition / Q000639:trends; D004469:Economics, Hospital / Q000639:trends; D004470:Economics, Medical / Q000639:trends*; D006291:Health Policy / Q000331:legislation & jurisprudence* / Q000639:trends; D006801:Humans; D007348:Insurance, Health / Q000191:economics; D010820:Physicians / Q000600:supply & distribution; D014481:United States