No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Female
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Gastrointestinal Hemorrhage / etiology
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Gastroscopy
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Humans
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Lymphoma, B-Cell, Marginal Zone / complications*
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Lymphoma, B-Cell, Marginal Zone / pathology
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Stomach Neoplasms / complications*
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Stomach Neoplasms / pathology
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Stomach Ulcer / diagnosis
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Stomach Ulcer / etiology*