RT Journal Article SR Electronic T1 Proceedings of the summer meeting of the British Neuropsychiatric Association, Cambridge, 18-20 July 1993 JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 122 OP 125 DO 10.1136/jnnp.57.1.122 VO 57 IS 1 A1 M A Ron YR 1994 UL http://jnnp.bmj.com/content/57/1/122.abstract AB