No abstract available
MeSH terms
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Colitis, Ulcerative / complications
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Colitis, Ulcerative / diagnosis*
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Colitis, Ulcerative / pathology
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Colonoscopy / methods
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Colonoscopy / standards*
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Colorectal Neoplasms / diagnosis*
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Colorectal Neoplasms / etiology
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Humans
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Methylene Blue
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Prognosis
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Risk Factors
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Staining and Labeling