Wei, B., Blount, B. C., Xia, B., & Wang, L. (2015). Assessing exposure to tobacco-specific carcinogen NNK using its urinary metabolite NNAL measured in US population: 2011–2012. J Expo Sci Environ Epidemiol.
Chicago-tyylinen lähdeviittausWei, Binnian, Benjamin C. Blount, Baoyun Xia, ja Lanqing Wang. "Assessing Exposure to Tobacco-specific Carcinogen NNK Using Its Urinary Metabolite NNAL Measured in US Population: 2011–2012." J Expo Sci Environ Epidemiol 2015.
MLA-viiteWei, Binnian, Benjamin C. Blount, Baoyun Xia, ja Lanqing Wang. "Assessing Exposure to Tobacco-specific Carcinogen NNK Using Its Urinary Metabolite NNAL Measured in US Population: 2011–2012." J Expo Sci Environ Epidemiol 2015.
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