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 521 OP 521 DO 10.1136/jnnp.58.4.521-b VO 58 IS 4 A1 Zifco, U A1 Lindner, K A1 Grisold, W YR 1995 UL http://jnnp.bmj.com/content/58/4/521.3.abstract AB