title: Important changes in antitrust enforcement policy for physician networks.
mesh_terms: D016363:Antitrust Laws; D019058:Community Networks / Q000331:legislation & jurisprudence*; D003695:Delivery of Health Care / Q000331:legislation & jurisprudence*; D005251:Fees, Medical; D017408:Guidelines as Topic; D006801:Humans; D010820:Physicians / Q000331:legislation & jurisprudence*; D011640:Public Policy; D014481:United States