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 733 OP 733 DO 10.1136/jnnp.56.6.733-a VO 56 IS 6 A1 Hewer, R Langton YR 1993 UL http://jnnp.bmj.com/content/56/6/733.2.abstract AB