Cost-efficiency study: HMOs beat indemnity plans by 18% in U.S.
Schachner
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D003362:Cost-Benefit Analysis / Q000706:statistics & numerical data*; D017598:Efficiency, Organizational / Q000191:economics / Q000706:statistics & numerical data*; D006279:Health Maintenance Organizations / Q000191:economics*; D006302:Health Services Research; D007348:Insurance, Health / Q000191:economics*; D014481:United States