RT Journal Article SR Electronic T1 Haemodynamics of the circle of Willis and the leptomeningeal anastomoses: an electromagnetic flowmeter study of intracranial arterial occlusion in the monkey JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 124 OP 136 DO 10.1136/jnnp.28.2.124 VO 28 IS 2 A1 Susumu Ishikawa A1 Jyoji Handa A1 John S. Meyer A1 Peter Huber YR 1965 UL http://jnnp.bmj.com/content/28/2/124.abstract AB