Comparison of colonoscopy and double-contrast barium enema.

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@article{Fister2000ComparisonOC, title={Comparison of colonoscopy and double-contrast barium enema.}, author={Misa Fister and Dennis M. Balfe}, journal={The New England journal of medicine}, year={2000}, volume={343 23}, pages={1729; author reply 1729-30} }