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 105 OP 105 DO 10.1136/jnnp.59.1.105-c VO 59 IS 1 A1 B G M Van Engelen A1 W O Renier A1 C R M Weemaes YR 1995 UL http://jnnp.bmj.com/content/59/1/105.4.abstract AB