RT Journal Article SR Electronic T1 TRANSACTIONS OF THE AMERICAN NEUROLOGICAL ASSOCIATION 1972 Vol. 97 JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 1093 OP 1093 DO 10.1136/jnnp.36.6.1093 VO 36 IS 6 A1 Melville, Ian D. YR 1973 UL http://jnnp.bmj.com/content/36/6/1093.1.abstract AB