No abstract available
Publication types
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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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Biomarkers / analysis*
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Humans
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Reference Values
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Reproducibility of Results
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Severity of Illness Index
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Smoking Cessation*
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Smoking*
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Time Factors
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Tobacco Use Disorder / diagnosis