RT Journal Article SR Electronic T1 In response JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 229 OP 229 DO 10.7861/clinmedicine.8-2-229 VO 8 IS 2 A1 Alex Paton YR 2008 UL http://www.rcpjournals.org/content/8/2/229.1.abstract AB