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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.
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contentuptodate· Content· item f21_61_22494
©2013 UpToDate ® Print Email Observed and expected colorectal cancer incidence in national polyp study cohort after colonoscopic polypectomy Data from Winawer, SJ, Zauber, AG, Ho, MN, et al, N Engl J Med 1993; 329:1977.