No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Aspirin / therapeutic use
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Calcium Channel Blockers / adverse effects*
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Calcium Channel Blockers / therapeutic use
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Case-Control Studies
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Gastrointestinal Hemorrhage / chemically induced*
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Gastrointestinal Hemorrhage / epidemiology
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Humans
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Hungary / epidemiology
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Massachusetts / epidemiology
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Multivariate Analysis
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Risk Factors
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Sweden / epidemiology
Substances
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Calcium Channel Blockers
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Aspirin