No abstract available
Publication types
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Letter
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Observational Study
MeSH terms
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Drug Approval / statistics & numerical data*
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Humans
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Marketing / statistics & numerical data*
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Orphan Drug Production / standards*
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Orphan Drug Production / statistics & numerical data*
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Patient Safety / standards*
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Patient Safety / statistics & numerical data*
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Prescription Drugs / standards*
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United States
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United States Food and Drug Administration