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Repeat colonoscopy after a colonoscopy with a negative result in Ontario: a population-based cohort study
Lieke Hol, Rinku Sutradhar, Sumei Gu, Nancy N. Baxter, Linda Rabeneck, Jill M. Tinmouth, Lawrence F. Paszat and the investigators of the Ontario Cancer Screening Research Network
June 17, 2015 3 (2) E244-E250; DOI: https://doi.org/10.9778/cmajo.20140063