Tobacco-specific nitrosamine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL) in smokers in the United States: NHANES 2007-2008.
Biomarkers. 2011 Mar;16(2):112-9. doi: 10.3109/1354750X.2010.533288. Epub 2010 Nov 29.
Biomarkers. 2011.
PMID: 21114376