title: The impact of HMOs on hospital use and cost? A matter of interpretation.
authors.forename: D J
authors.initials: DJ
authors.lastname: Gaskin
authors.forename: J
authors.initials: J
authors.lastname: Kralewski
mesh_terms: D002391:Catchment Area, Health; D006279:Health Maintenance Organizations / Q000706:statistics & numerical data*; D017721:Hospital Costs / Q000706:statistics & numerical data*; D006761:Hospitals / Q000706:statistics & numerical data*; D014481:United States; D014600:Utilization Review / Q000706:statistics & numerical data*