No abstract available
MeSH terms
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Carcinoma in Situ / etiology*
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Carcinoma in Situ / pathology*
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Colitis, Ulcerative / complications*
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Colonic Neoplasms / etiology*
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Colonic Neoplasms / pathology*
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Colonoscopy / methods*
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Colonoscopy / standards
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Humans
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Reproducibility of Results