No abstract available
MeSH terms
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Adenocarcinoma / complications
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Adenocarcinoma / diagnosis
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Adenocarcinoma / surgery
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Aged
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Gastrointestinal Hemorrhage / diagnosis*
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Gastrointestinal Hemorrhage / etiology
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Humans
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Intubation, Gastrointestinal / instrumentation*
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Intubation, Gastrointestinal / methods
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Jejunal Neoplasms / complications
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Jejunal Neoplasms / diagnosis
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Jejunal Neoplasms / surgery
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Male
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Occult Blood*