title: Physician practice groups--the effect of Clackamas.
authors.forename: Shana
authors.initials: S
authors.lastname: Siegel
mesh_terms: D006233:Persons with Disabilities / Q000331:legislation & jurisprudence*; D004651:Employment / Q000331:legislation & jurisprudence*; D006123:Group Practice / Q000331:legislation & jurisprudence*; D006801:Humans; D010559:Personnel Management / Q000331:legislation & jurisprudence*; D035521:Supreme Court Decisions; D014481:United States