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

Cohort profile: The Norwegian Mother and Child Cohort Study (MoBa)

Per Magnus, Lorentz M. Irgens, Kjell Haug et al. · International Journal of Epidemiology · 2006 · 1K citations · Full text

Public Health, Child Health, Health Sciences +13

Self‐selection and bias in a large prospective pregnancy cohort in Norway

Roy M. Nilsen, Håkon K. Gjessing, Rolv Skjærven et al. · Paediatric and Perinatal Epidemiology · 2009 · 863 citations

Public Health, Maternal Health, Obstetrics +13

Exposure of the US population to environmental tobacco smoke: the Third National Health and Nutrition Examination Survey, 1988 to 1991.

James L. Pirkle · PubMed · 1996 · 673 citations

Public Health, Population Health Sciences, Toxicology +13

Optimal Serum Cotinine Levels for Distinguishing Cigarette Smokers and Nonsmokers Within Different Racial/Ethnic Groups in the United States Between 1999 and 2004

Neal L. Benowitz, John T. Bernert, Ralph S. Caraballo et al. · American Journal of Epidemiology · 2008 · 667 citations · Full text

Public Health, Population Health Sciences, Clinical Epidemiology +13

Confidence intervals for a binomial proportion

Statistics in Medicine · 1993 · 485 citations

Natural Sciences, Biostatistics, Mathematics +10