RT Journal Article SR Electronic T1 Aphasia or aphemia JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 801 OP 801 DO 10.1136/jnnp.70.6.801 VO 70 IS 6 A1 J M S PEARCE YR 2001 UL http://jnnp.bmj.com/content/70/6/801.abstract AB