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 1220 OP 1220 DO 10.1136/jnnp.55.12.1220-c VO 55 IS 12 A1 WO Arruda YR 1992 UL http://jnnp.bmj.com/content/55/12/1220.4.abstract AB