title: Customers and providers.
authors.affiliation: Department of Radiological Sciences-RT 140, University of California Irvine Medical Center, Orange 92868-3298, USA.
authors.forename: R M
authors.initials: RM
authors.lastname: Friedenberg
mesh_terms: D006801:Humans; D008329:Managed Care Programs; D010817:Physician-Patient Relations; D009626:Terminology as Topic