A Vertebral Artery Halo Sign Indicates Giant Cell Arteritis Affecting the Posterior Circulation of the Brain
Lancet 397:e6, Lambrechts, R.A.,et al, 2021
Clinicopath Conf., Giant-Cell Arteritis
NEJM 349:170-180, Case 21-2003, 2003
Prognosis of Patients with Symptomatic Vertebral or Basilar Artery Stenosis
WASID Study Group, Stroke 29:1389-13921998., , 1998
The Warfarin-Aspirin Symptomatic Intracranial Disease Study
Neurol 45:1488-1493, Chimowitz,M.I.,et al, 1995