title: Due diligence for silent PPO practices.
authors.forename: D L
authors.initials: DL
authors.lastname: Elden
mesh_terms: D003164:Competitive Bidding / Q000592:standards*; D005568:Forms and Records Control; D007342:Insurance Benefits; D011243:Preferred Provider Organizations / Q000458:organization & administration / Q000592:standards*; D011641:Public Relations; D014481:United States