No abstract available
Publication types
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Guideline
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Practice Guideline
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Review
MeSH terms
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Endoscopy, Gastrointestinal*
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Gastrointestinal Neoplasms / diagnosis*
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Gastrointestinal Neoplasms / epidemiology
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Humans
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Precancerous Conditions / diagnosis*
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Precancerous Conditions / epidemiology
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Risk Factors