title: Will PPOs knock down the competition?
authors.affiliation: Norbak Group, Glenview, IL, USA.
authors.forename: N F
authors.initials: NF
authors.lastname: Orbach
authors.forename: J
authors.initials: J
authors.lastname: de Peyster
mesh_terms: D003258:Consumer Behavior / Q000706:statistics & numerical data; D003625:Data Collection; D004465:Economic Competition; D005161:Facility Regulation and Control; D006264:Health Benefit Plans, Employee / Q000191:economics / Q000458:organization & administration*; D019981:Health Care Sector; D006297:Health Services Accessibility; D017146:Models, Organizational; D011243:Preferred Provider Organizations / Q000191:economics / Q000331:legislation & jurisprudence / Q000458:organization & administration* / Q000706:statistics & numerical data; D011785:Quality Assurance, Health Care; D014481:United States