RT Journal Article SR Electronic T1 Upfront January 2012 JF Frontline Gastroenterology JO Frontline Gastroenterol FD BMJ Publishing Group Ltd SP 1 OP 1 DO 10.1136/flgastro-2011-100087 VO 3 IS 1 A1 Anton V Emmanuel YR 2012 UL http://fg.bmj.com/content/3/1/1.abstract AB