Employer health coalitions: activities and impact.
D017049:Employer Health Costs; D017754:Group Purchasing / Q000191:economics / Q000458:organization & administration; D006264:Health Benefit Plans, Employee / Q000191:economics / Q000458:organization & administration*; D006265:Health Care Coalitions; D018166:Health Care Reform; D009937:Organizational Objectives; D014481:United States