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. 2010 Mar 31;340:c1269. doi: 10.1136/bmj.c1269

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© Jellema et al 2010

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license. See: http://creativecommons.org/licenses/by-nc/2.0/ and http://creativecommons.org/licenses/by-nc/2.0/legalcode.

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graphic file with name jelp705053.f5_default.jpg — Fig 5 Risk of colorectal cancer in patients reporting change in bowel habit (positive predictive value) versus risk in patients not reporting this symptom (1−negative predictive value)