Publication info: Gastroenterology. 2009 Mar; 136(3):799-805.PMID: 19162028External link: http://www.ncbi.nlm.nih.gov/pubmed/19162028Publication date: March, 2009Authors: Anderson LA, Cantwell MM, Watson RG, Johnston BT, Murphy SJ, Ferguson HR, McGuigan J, Comber H, Reynolds JV, Murray LJPublication type: Paper