PT - JOURNAL ARTICLE AU - O'Brien, MD TI - The Cerebral Microvasculature Vol 131 AID - 10.1136/jnnp.44.8.744 DP - 1981 Aug 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 744--744 VI - 44 IP - 8 4099 - http://jnnp.bmj.com/content/44/8/744.1.short 4100 - http://jnnp.bmj.com/content/44/8/744.1.full SO - J Neurol Neurosurg Psychiatry1981 Aug 01; 44