Employer coalitions flex their muscles.
D003284:Contract Services / Q000191:economics; D017046:Cost Savings; D017049:Employer Health Costs / Q000592:standards; D017754:Group Purchasing / Q000191:economics; D006264:Health Benefit Plans, Employee / Q000191:economics*; D006265:Health Care Coalitions / Q000191:economics*; D017048:Health Care Costs; D006279:Health Maintenance Organizations / Q000191:economics; D008329:Managed Care Programs / Q000191:economics; D014481:United States