RT Journal Article SR Electronic T1 BOOKS RECEIVED JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 239 OP 240 DO 10.1136/jnnp.19.3.239 VO 19 IS 3 YR 1956 UL http://jnnp.bmj.com/content/19/3/239.abstract AB