Trends in managed care.
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D003284:Contract Services; D005544:Forecasting; D006801:Humans; D007256:Information Systems; D008329:Managed Care Programs / Q000458:organization & administration / Q000706:statistics & numerical data / Q000639:trends*; D008484:Medicaid; D006278:Medicare; D010067:Ownership; D010348:Patient Care Team; D010820:Physicians; D014481:United States