Making HMOs compete.
Tweed
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D003256:Community Participation / Q000191:economics; D003625:Data Collection; D004465:Economic Competition; D004649:Employee Incentive Plans; D017049:Employer Health Costs; D006264:Health Benefit Plans, Employee / Q000191:economics* / Q000706:statistics & numerical data; D006279:Health Maintenance Organizations / Q000191:economics*; D014481:United States