RT Journal Article SR Electronic T1 Continuing Medical Education section JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 5 OP 5 DO 10.7861/clinmedicine.9-1-4b VO 9 IS 1 A1 Robert Allan YR 2009 UL http://www.rcpjournals.org/content/9/1/5.abstract