Beyond the gatekeeper: managed care evolves.
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D054598:Blue Cross Blue Shield Insurance Plans / Q000458:organization & administration; D002204:Capitation Fee; D004465:Economic Competition; D018588:Fee-for-Service Plans / Q000458:organization & administration; D006264:Health Benefit Plans, Employee / Q000191:economics / Q000639:trends; D006297:Health Services Accessibility / Q000191:economics / Q000639:trends*; D006305:Health Status Indicators; D008329:Managed Care Programs / Q000191:economics / Q000458:organization & administration / Q000639:trends*; D010818:Practice Patterns, Physicians'; D012017:Referral and Consultation; D014481:United States; D014600:Utilization Review