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 851 OP 851 DO 10.1136/jnnp.54.9.851-a VO 54 IS 9 A1 PK Thomas YR 1991 UL http://jnnp.bmj.com/content/54/9/851.2.abstract AB