Big business embraces alternate delivery.
D000553:Ambulatory Care; D003363:Cost Control / Q000379:methods; D003625:Data Collection; D003695:Delivery of Health Care / Q000639:trends*; D006264:Health Benefit Plans, Employee / Q000639:trends*; D006279:Health Maintenance Organizations; D007348:Insurance, Health / Q000639:trends*; D011243:Preferred Provider Organizations; D014481:United States; D014600:Utilization Review