RT Journal Article SR Electronic T1 From the Editor JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 493 OP 494 DO 10.7861/clinmedicine.3-6-493 VO 3 IS 6 A1 Peter Watkins YR 2003 UL http://www.rcpjournals.org/content/3/6/493.abstract AB