HMOs and employers unite to collect outcomes data.
Jordahl
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D003132:Commerce / Q000458:organization & administration; D003625:Data Collection / Q000379:methods; D006264:Health Benefit Plans, Employee / Q000191:economics / Q000706:statistics & numerical data*; D006265:Health Care Coalitions; D006279:Health Maintenance Organizations / Q000592:standards* / Q000706:statistics & numerical data; D006801:Humans; D008404:Massachusetts; D017063:Outcome Assessment, Health Care / Q000706:statistics & numerical data*; D014481:United States; D014600:Utilization Review / Q000706:statistics & numerical data*