RT Journal Article SR Electronic T1 ATLAS OF NORMAL VERTEBRAL ANGIOGRAMS JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 1035 OP 1035 DO 10.1136/jnnp.39.10.1035-b VO 39 IS 10 A1 Steven, J. L. YR 1976 UL http://jnnp.bmj.com/content/39/10/1035.3.abstract AB