title: Practice parameters: a state's rights issue?
authors.forename: J W
authors.initials: JW
authors.lastname: Hall
mesh_terms: D006801:Humans; D007883:Legislation, Medical; D017410:Practice Guidelines as Topic; D010818:Practice Patterns, Physicians' / Q000331:legislation & jurisprudence; D013219:State Government; D014481:United States