RT Journal Article SR Electronic T1 Horizons in medicine 18 JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 111 OP 111 DO 10.7861/clinmedicine.8-1-111 VO 8 IS 1 A1 Peter Watkins YR 2008 UL http://www.rcpjournals.org/content/8/1/111.1.abstract AB