RT Journal Article SR Electronic T1 Proceedings of the winter meeting of the British Neuropsychiatry Association, London Zoo, Regent's Park, London, 17 January 1997. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 675 OP 676 DO 10.1136/jnnp.62.6.675 VO 62 IS 6 A1 M A Ron YR 1997 UL http://jnnp.bmj.com/content/62/6/675.abstract AB