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Atkin WS, Saunders BP; British Society for Gastroenterology; Association of Coloproctology for Great Britain and Ireland.Atkin WS, et al.Gut. 2002 Oct;51 Suppl 5(Suppl 5):V6-9. doi: 10.1136/gut.51.suppl_5.v6.Gut. 2002.PMID: 12221031Free PMC article.No abstract available.