Brandt, T CT angiography and Doppler sonography for emergency assessment in acute basilar artery ischemia. [electronic resource] - Stroke Mar 1999 - 606-12 p. digital Publication Type: Clinical Trial; Journal Article ISSN: 0039-2499 Standard No.: 10.1161/01.str.30.3.606 doi Subjects--Topical Terms: Acute DiseaseAdultAgedAged, 80 and overBasilar Artery--diagnostic imagingEmergenciesHumansIschemia--diagnostic imagingMiddle AgedProspective StudiesTomography, X-Ray ComputedUltrasonography, Doppler