No abstract available
Publication types
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Comparative Study
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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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Adult
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Biomarkers / blood
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Black People*
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Caffeine / blood
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Cotinine / analogs & derivatives*
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Cotinine / blood*
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Cotinine / metabolism
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Female
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Glucuronides / blood*
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Glucuronides / metabolism
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Humans
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Male
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Middle Aged
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Smoking / blood*
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Smoking / ethnology
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White People*
Substances
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Biomarkers
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Glucuronides
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hydroxycotinine
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Caffeine
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Cotinine