No abstract available
MeSH terms
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Adenoma / diagnosis
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Adenoma / prevention & control
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Colonoscopy
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Colorectal Neoplasms / diagnosis*
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Colorectal Neoplasms / prevention & control
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DNA / analysis
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Feces / chemistry
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Humans
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Occult Blood
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Randomized Controlled Trials as Topic
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Sigmoidoscopy