No abstract available
MeSH terms
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Clinical Trials as Topic / statistics & numerical data*
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Databases, Factual / statistics & numerical data
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Databases, Factual / trends
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Drug Industry / statistics & numerical data
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Drug Industry / trends*
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National Institutes of Health (U.S.) / statistics & numerical data
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National Institutes of Health (U.S.) / trends*
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Registries*
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Research Support as Topic / statistics & numerical data
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Research Support as Topic / trends*
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United States