Alternative delivery systems and employers.
D003365:Costs and Cost Analysis; D005376:Financial Management; D006264:Health Benefit Plans, Employee / Q000191:economics; D005102:Health Expenditures; D006279:Health Maintenance Organizations; D006296:Health Services / Q000706:statistics & numerical data; D007348:Insurance, Health / Q000191:economics; D011243:Preferred Provider Organizations; D014481:United States