RT Journal Article SR Electronic T1 Delirium in old age JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 693 OP 693 DO 10.1136/jnnp.74.5.693-a VO 74 IS 5 A1 A Burns YR 2003 UL http://jnnp.bmj.com/content/74/5/693.2.abstract AB