RT Journal Article SR Electronic T1 Changing practice in gastroenterology in a changing environment JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 551 OP 553 DO 10.7861/clinmedicine.7-6-551 VO 7 IS 6 A1 Anthony I Morris YR 2007 UL http://www.rcpjournals.org/content/7/6/551.abstract AB