HMOs will enroll more people, slash utilization.
Johnson
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D000553:Ambulatory Care / Q000706:statistics & numerical data; D003625:Data Collection; D005544:Forecasting; D006279:Health Maintenance Organizations / Q000706:statistics & numerical data* / Q000639:trends; D006761:Hospitals / Q000706:statistics & numerical data; D010820:Physicians / Q000706:statistics & numerical data; D014481:United States