RT Journal Article SR Electronic T1 Noninvasive Imaging of cerebrovascular disease JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 1118 OP 1119 DO 10.1136/jnnp.52.9.1118-a VO 52 IS 9 A1 J V Bowler YR 1989 UL http://jnnp.bmj.com/content/52/9/1118.2.abstract AB