No abstract available
MeSH terms
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Abscess / etiology*
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Adenocarcinoma / diagnosis
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Aged
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Carbon*
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Colon / pathology
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Colonic Diseases / etiology*
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Colonic Polyps / diagnosis
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Colonoscopy
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Coloring Agents / adverse effects*
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Humans
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Male
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Peritonitis / etiology*
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Staining and Labeling
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Tattooing / adverse effects*
Substances
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Coloring Agents
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chinese ink
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Carbon