No abstract available
MeSH terms
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Case-Control Studies
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Colorectal Neoplasms / diagnosis*
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Colorectal Neoplasms / prevention & control
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Controlled Clinical Trials as Topic
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Cost-Benefit Analysis
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Endoscopy, Gastrointestinal
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Humans
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Mass Screening / economics
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Mass Screening / methods*
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Mass Screening / organization & administration
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Occult Blood*
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Sensitivity and Specificity