A Vertebral Artery Halo Sign Indicates Giant Cell Arteritis Affecting the Posterior Circulation of the Brain
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Clinicopath Conf, Multiple-System Atrophy
NEJM 351:912-921, Case 27-2004, 2004
Clinicopath Conf
Primary (Granulomatous) Angiitis of Central Nervous System, Case Record 8-1989, NEJM 320:514-5249., , 1989
Case Records of the MGH
Giant cell Angiitis, intracranial NEJM 295:9441976., , 1976