RT Journal Article SR Electronic T1 MATTERS ARISING JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 703 OP 703 DO 10.1136/jnnp.60.6.703-a VO 60 IS 6 YR 1996 UL http://jnnp.bmj.com/content/60/6/703.2.abstract AB