RT Journal Article SR Electronic T1 Horizons in Medicine, Number 13 JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 274 OP 274 DO 10.7861/clinmedicine.2-3-274 VO 2 IS 3 A1 JM Holt YR 2002 UL http://www.rcpjournals.org/content/2/3/274.abstract AB