RT Journal Article SR Electronic T1 Oxford desk reference: Geriatric medicine JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 629 OP 629 DO 10.7861/clinmedicine.13-6-629 VO 13 IS 6 A1 Jackie Morris YR 2013 UL http://www.rcpjournals.org/content/13/6/629.abstract