Cite
HARVARD Citation
McCallion, K. et al. (2001). Flexible sigmoidoscopy and the changing distribution of colorectal cancer: implications for screening. Gut. 48 (4), pp. 522-525. [Online].
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McCallion, K. et al. (2001). Flexible sigmoidoscopy and the changing distribution of colorectal cancer: implications for screening. Gut. 48 (4), pp. 522-525. [Online].