title: Silent PPOs spur doctor push-back.
authors.forename: John
authors.initials: J
authors.lastname: Carroll
mesh_terms: D030881:Disclosure; D019461:Employee Retirement Income Security Act; D006123:Group Practice; D006801:Humans; D008119:Lobbying; D010820:Physicians; D011445:Prospective Payment System; D013219:State Government; D014481:United States