Study suggests more frequent sigmoidoscopy.
Rollins
Gina
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D015179:Colorectal Neoplasms / Q000175:diagnosis*; D006801:Humans; D008403:Mass Screening / Q000592:standards; D017410:Practice Guidelines as Topic; D012812:Sigmoidoscopy / Q000592:standards / Q000706:statistics & numerical data*; D013997:Time Factors; D014481:United States