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Self-reported smoking status and plasma cotinine concentrations among pregnant women in the Norwegian Mother and Child Cohort Study

BACKGROUND: Underreporting of smoking in epidemiologic studies is common and may constitute a validity problem, leading to biased association measures. In this prospective study, we validated self-reported tobacco use against nicotine exposure assessed by plasma cotinine in the Norwegian Mother and...

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Autors principals: Kvalvik, Liv G., Nilsen, Roy M., Skjærven, Rolv, Vollset, Stein Emil, Midttun, Øivind, Ueland, Per Magne, Haug, Kjell
Format: Artigo
Idioma:Inglês
Publicat: 2012
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Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC3630336/
https://ncbi.nlm.nih.gov/pubmed/22441375
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/pr.2012.36
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