New diagnostic methods.
D002340:Carotid Artery Diseases / Q000175:diagnosis; D002533:Cerebral Angiography; D002560:Cerebrovascular Circulation; D002561:Cerebrovascular Disorders / Q000175:diagnosis* / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D006801:Humans; D011877:Radionuclide Imaging; D012306:Risk; D014057:Tomography, X-Ray Computed