Reform will usher in major role changes for GPOs.
D003191:Comprehensive Health Care / Q000191:economics; D005544:Forecasting; D017754:Group Purchasing / Q000639:trends*; D018166:Health Care Reform / Q000191:economics*; D009096:Multi-Institutional Systems / Q000191:economics; D012041:Regional Medical Programs / Q000191:economics; D012380:Role; D014481:United States