RT Journal Article SR Electronic T1 Bringing cognitive testing into the real world JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 363 OP 363 DO 10.1136/jnnp.2007.139832 VO 79 IS 4 A1 Coulthard, Elizabeth A1 Husain, Masud YR 2008 UL http://jnnp.bmj.com/content/79/4/363.abstract AB