Publication info: Colorectal Dis. 2011 Jul; 13(7):755-61.PMID: 20236155External link: http://www.ncbi.nlm.nih.gov/pubmed/20236155Publication date: July, 2011Authors: Morris EJ, Birch R, West NP, Finan PJ, Forman D, Fairley L, Quirke PPublication type: Paper