Hewitson P, Glasziou P, Irwig L, et al . Screening for colorectal cancer using the faecal occult blood test, Hemoccult. Cochrane Database Syst Rev 2007;(1):CD001216.[OpenUrl][1][PubMed][2] Q Does using the faecal occult blood test to screen for colorectal cancer reduce colorectal cancer mortality? ### ![Graphic][3] Data sources: Medline, CINAHL, EMBASE/Excerpta Medica, PsycINFO, AMED, SIGLE, HMIC, and Cochrane Library (to Feb 2006); reference lists; and study investigators. ### ![Graphic][4] Study selection and assessment: randomised controlled trials (RCTs) that compared screening for colorectal cancer in adults using repeated faecal occult blood tests (guiac or immunochemical) with no screening. 4 RCTs were included (age 45–75 y, length of follow-up 8.5–18.4 y). Quality of study methods was … [1]: {openurl}?query=rft.jtitle%253DCochrane%2BDatabase%2BSyst%2BRev%26rft.volume%253D1%26rft.spage%253DCD001216%26rft_id%253Dinfo%253Apmid%252F17253456%26rft.genre%253Darticle%26rft_val_fmt%253Dinfo%253Aofi%252Ffmt%253Akev%253Amtx%253Ajournal%26ctx_ver%253DZ39.88-2004%26url_ver%253DZ39.88-2004%26url_ctx_fmt%253Dinfo%253Aofi%252Ffmt%253Akev%253Amtx%253Actx [2]: /lookup/external-ref?access_num=17253456&link_type=MED&atom=%2Febnurs%2F10%2F4%2F112.atom [3]: /embed/inline-graphic-1.gif [4]: /embed/inline-graphic-2.gif
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Christine A. Brosnan (2007) studied this question.