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"principal investigation" » "principal investigations", "principal investigator", "principles investigation"
"principal investigation" » "principal investigations", "principal investigator", "principles investigation"
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by Schein, Oliver D.
Published 2001
Published 2001
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Healthcare Research and Quality
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by Melloni, Chiara, Cohen-Wolkowiez, Michael, Benjamin, Daniel K.
Published 2017
Published 2017
National Institute of Child Health and Human Development
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by Kansagara, Devan
Published 2010
Published 2010
Department of Veterans Affairs, Health Services Research & Development Service
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by Kansagara, Devan
Published 2010
Published 2010
Department of Veterans Affairs, Health Services Research & Development Service
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by Seidenfeld, Jerome
Published 2001
Published 2001
Agency for Healthcare Research and Quality, U.S. Dept. of Health and Human Services