title: HMOs irreversibly changing the role of the hospital.
authors.forename: T P
authors.initials: TP
authors.lastname: Weil
mesh_terms: D002140:California; D005102:Health Expenditures / Q000706:statistics & numerical data; D006279:Health Maintenance Organizations / Q000458:organization & administration*; D006302:Health Services Research; D006777:Hospitals, Proprietary / Q000191:economics / Q000706:statistics & numerical data / Q000639:trends*; D006788:Hospitals, Voluntary / Q000191:economics / Q000706:statistics & numerical data / Q000639:trends*; D014600:Utilization Review / Q000706:statistics & numerical data