Current concepts review. Managed care: form, function, and evolution.
Clark
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D006279:Health Maintenance Organizations / Q000458:organization & administration; D006801:Humans; D008329:Managed Care Programs / Q000191:economics / Q000458:organization & administration*; D018854:Managed Competition; D009985:Orthopedics / Q000191:economics; D011243:Preferred Provider Organizations / Q000458:organization & administration; D014481:United States; D000078329:Workforce