title: Big employers seek more purchasing clout.
authors.forename: Donald E
authors.initials: DE
authors.lastname: Johnson
mesh_terms: D003363:Cost Control; D006264:Health Benefit Plans, Employee / Q000331:legislation & jurisprudence; D006265:Health Care Coalitions; D017057:Medically Uninsured; D017008:Negotiating; D017149:Private Sector; D014481:United States