No abstract available
MeSH terms
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Abdominal Pain / etiology
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Aged
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Duodenal Ulcer / complications
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Duodenal Ulcer / diagnosis*
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Duodenal Ulcer / surgery
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Humans
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Liver Diseases / complications
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Liver Diseases / diagnosis*
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Liver Diseases / surgery
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Male
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Peptic Ulcer Perforation / complications
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Peptic Ulcer Perforation / diagnosis*
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Peptic Ulcer Perforation / surgery