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Flexible sigmoidoscopy screening reduced colorectal cancer incidence and mortality in older adults
Charles J. Kahi, MD, MSc, FACP, FACG, AGAF; Thomas F. Imperiale, MD, FACP, AGAF
Annals of Internal Medicine 2012;157:JC3-3.
doi:10.7326/0003-4819-157-6-201209180-02003
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