title: Exposing the "silent" PPO.
authors.forename: R S
authors.initials: RS
authors.lastname: Scott
mesh_terms: D003284:Contract Services / Q000191:economics / Q000331:legislation & jurisprudence; D017047:Cost Sharing; D004995:Ethics, Professional; D007349:Insurance, Health, Reimbursement; D011243:Preferred Provider Organizations / Q000191:economics* / Q000592:standards; D011871:Radiology / Q000191:economics*; D014481:United States