RT Journal Article SR Electronic T1 MRCP(UK) November 2005 JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 208 OP 212 DO 10.7861/clinmedicine.6-2-208 VO 6 IS 2 YR 2006 UL http://www.rcpjournals.org/content/6/2/208.abstract AB