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 96 OP 96 DO 10.1136/jnnp.54.1.96-b VO 54 IS 1 A1 P G E Kennedy YR 1991 UL http://jnnp.bmj.com/content/54/1/96.3.abstract AB