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 772 OP 772 DO 10.1136/jnnp.57.6.772-a VO 57 IS 6 A1 Tj Walls YR 1994 UL http://jnnp.bmj.com/content/57/6/772.2.abstract AB