title: Regarding"magnetic resonance angiography minimizes need for arteriography after inadequate carotid duplex ultrasound scanning".
authors.forename: John B
authors.initials: JB
authors.lastname: Chang
authors.forename: Theodore A
authors.initials: TA
authors.lastname: Stein
mesh_terms: D016893:Carotid Stenosis / Q000000981:diagnostic imaging*; D002533:Cerebral Angiography; D006801:Humans; D018810:Magnetic Resonance Angiography; D018616:Ultrasonography, Doppler, Duplex