Pilot study on lower nitrosamine smokeless tobacco products compared with medicinal nicotine
Mendoza-Baumgart MI, Tulunay OE, Hecht SS, Zhang Y, Murphy S, Le C, Jensen J, Hatsukami DK. Pilot study on lower nitrosamine smokeless tobacco products compared with medicinal nicotine. Nicotine Tob Res. 2007; 9(12):1309-23.