Stepanov, I., Jensen, J., Biener, L., Bliss, R. L., Hecht, S. S., & Hatsukami, D. K. (2012). Increased Pouch Sizes and Resulting Changes in the Amounts of Nicotine and Tobacco-Specific N-Nitrosamines in Single Pouches of Camel Snus and Marlboro Snus. Oxford University Press.

Stepanov, Irina, Joni Jensen, Lois Biener, Robin L. Bliss, Stephen S. Hecht, và Dorothy K. Hatsukami. Increased Pouch Sizes and Resulting Changes in the Amounts of Nicotine and Tobacco-Specific N-Nitrosamines in Single Pouches of Camel Snus and Marlboro Snus. Oxford University Press, 2012.

Stepanov, Irina, et al. Increased Pouch Sizes and Resulting Changes in the Amounts of Nicotine and Tobacco-Specific N-Nitrosamines in Single Pouches of Camel Snus and Marlboro Snus. Oxford University Press, 2012.