RT Journal Article SR Electronic T1 SLOWNESS IN SCHIZOPHRENIA JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 239 OP 242 DO 10.1136/jnnp.22.3.239 VO 22 IS 3 A1 Arthur Harris A1 Maryse Metcalfe YR 1959 UL http://jnnp.bmj.com/content/22/3/239.abstract AB