No abstract available
MeSH terms
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ABO Blood-Group System*
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Adult
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Aspirin / adverse effects
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Blood Group Antigens*
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Duodenal Ulcer / blood
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Female
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Gastric Mucosa / drug effects
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Gastrointestinal Hemorrhage*
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Hematemesis / metabolism
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Humans
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Male
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Melena / metabolism
Substances
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ABO Blood-Group System
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Blood Group Antigens
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Aspirin