No abstract available
MeSH terms
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Biopsy
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Colonoscopy*
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Digestive System / pathology
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Endoscopy, Digestive System*
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Gastrointestinal Diseases / diagnosis*
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Gastrointestinal Diseases / pathology
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Gastrointestinal Neoplasms / diagnosis*
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Gastrointestinal Neoplasms / pathology
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Humans