title: Studies show HMO payoff.
authors.forename: L
authors.initials: L
authors.lastname: Kertesz
mesh_terms: D017049:Employer Health Costs / Q000639:trends; D017048:Health Care Costs / Q000639:trends*; D006279:Health Maintenance Organizations / Q000191:economics*; D006302:Health Services Research; D017721:Hospital Costs / Q000639:trends; D007250:Inflation, Economic; D014481:United States