title: Practice patterns in the U.S.
authors.forename: James I
authors.initials: JI
authors.lastname: Ausman
mesh_terms: D006801:Humans; D019635:Neurosurgical Procedures / Q000191:economics / Q000706:statistics & numerical data*; D010818:Practice Patterns, Physicians' / Q000191:economics / Q000458:organization & administration* / Q000706:statistics & numerical data*; D014481:United States