RT Journal Article SR Electronic T1 MRCP(UK) July 2006 JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 614 OP 618 DO 10.7861/clinmedicine.6-6-614 VO 6 IS 6 YR 2006 UL http://www.rcpjournals.org/content/6/6/614.abstract AB