No abstract available
MeSH terms
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Gastrointestinal Hemorrhage / etiology*
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Gastrointestinal Hemorrhage / microbiology
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Humans
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Intestinal Polyps / complications*
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Intestinal Polyps / microbiology
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Intestinal Polyps / pathology
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Male
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Middle Aged
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Rectal Diseases / microbiology*
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Schistosomiasis mansoni / complications*
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Schistosomiasis mansoni / pathology