No abstract available
MeSH terms
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Aged, 80 and over
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Duodenal Diseases / diagnosis*
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Duodenal Ulcer / complications*
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Female
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Gastric Fistula / diagnosis*
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Gastrointestinal Hemorrhage / etiology
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Gastroscopy*
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Humans
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Intestinal Fistula / diagnosis*
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Pylorus
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Stomach Ulcer / complications*