Cancer surveillance in ulcerative colitis--a time for reappraisal.
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Centre for Digestive Diseases, General Infirmary at Leeds.
D003093:Colitis, Ulcerative / Q000150:complications*; D003110:Colonic Neoplasms / Q000175:diagnosis / Q000209:etiology* / Q000517:prevention & control; D003113:Colonoscopy; D006801:Humans