RT Journal Article SR Electronic T1 Book reviews JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 409 OP 409 DO 10.1136/jnnp.31.4.409-a VO 31 IS 4 A1 Russell, W. Ritchie YR 1968 UL http://jnnp.bmj.com/content/31/4/409.2.abstract AB