No abstract available
Publication types
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
MeSH terms
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Aged
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Drug Prescriptions / statistics & numerical data*
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Drug Substitution / statistics & numerical data
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Female
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Humans
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Male
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Pharmaceutical Preparations / administration & dosage*
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United States
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United States Department of Veterans Affairs
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Veterans
Substances
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Pharmaceutical Preparations