No abstract available
MeSH terms
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Aged
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Antimetabolites, Antineoplastic / adverse effects*
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Endoscopy, Gastrointestinal*
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Fluorouracil / adverse effects*
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Gastrointestinal Hemorrhage / chemically induced*
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Gastrointestinal Hemorrhage / diagnosis*
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Humans
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Male
Substances
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Antimetabolites, Antineoplastic
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Fluorouracil