title: HMOs aren't shedding tiers. First it was drug pricing; now health plans are turning to 'select' providers.
authors.forename: L B
authors.initials: LB
authors.lastname: Benko
mesh_terms: D002140:California; D003256:Community Participation / Q000191:economics*; D017047:Cost Sharing / Q000379:methods* / Q000639:trends; D017049:Employer Health Costs; D006264:Health Benefit Plans, Employee / Q000191:economics* / Q000639:trends; D006279:Health Maintenance Organizations / Q000191:economics* / Q000639:trends; D006761:Hospitals / Q000145:classification / Q000706:statistics & numerical data; D007350:Insurance, Hospitalization / Q000191:economics*