RT Journal Article SR Electronic T1 MRCP(UK) March 2001 JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 240 OP 244 DO 10.7861/clinmedicine.1-3-240 VO 1 IS 3 YR 2001 UL http://www.rcpjournals.org/content/1/3/240.abstract AB