Changing practice of medicine.
D004469:Economics, Hospital / Q000639:trends; D004470:Economics, Medical / Q000639:trends*; D004501:Education, Medical / Q000639:trends*; D005380:Financing, Government / Q000639:trends; D007348:Insurance, Health / Q000639:trends; D008484:Medicaid / Q000639:trends; D006278:Medicare / Q000639:trends; D012577:Schools, Medical / Q000191:economics / Q000458:organization & administration; D014481:United States