Managed care: a national experiment. Unanswered questions and potential risks.
Schoen
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Commonwealth Fund Health Care Coverage and Quality Program, University of Massachusetts at Amherst 01003, USA.
D005582:Foundations; D006297:Health Services Accessibility; D006801:Humans; D008329:Managed Care Programs / Q000458:organization & administration* / Q000639:trends; D017057:Medically Uninsured / Q000706:statistics & numerical data; D011787:Quality of Health Care; D014481:United States