No abstract available
MeSH terms
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ABO Blood-Group System / adverse effects*
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Anti-Inflammatory Agents, Non-Steroidal / adverse effects
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Gastrointestinal Hemorrhage / etiology*
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Humans
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Risk Factors
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Upper Gastrointestinal Tract / pathology
Substances
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ABO Blood-Group System
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Anti-Inflammatory Agents, Non-Steroidal