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 226 OP 226 DO 10.1136/jnnp.56.2.226-a VO 56 IS 2 YR 1993 UL http://jnnp.bmj.com/content/56/2/226.2.abstract AB