No abstract available
Publication types
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
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Video-Audio Media
MeSH terms
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Adolescent
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Behavior, Addictive / epidemiology*
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Bias*
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Causality*
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Computer-Aided Design / instrumentation
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Confounding Factors, Epidemiologic
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Data Interpretation, Statistical*
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Epidemiologic Research Design*
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Female
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Humans
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Male
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Models, Statistical*
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Smoking / psychology
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Software