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Veitch AM, Baglin TP, Gershlick AH, Harnden SM, Tighe R, Cairns S; British Society of Gastroenterology; British Committee for Standards in Haematology; British Cardiovascular Intervention Society.Veitch AM, et al. Among authors: gershlick ah.Gut. 2008 Sep;57(9):1322-9. doi: 10.1136/gut.2007.142497. Epub 2008 May 9.Gut. 2008.PMID: 18469092Review.No abstract available.