TSRC, Tob. Sci. Res. Conf., 2009, 63, abstr. 84
Switching from usual brand cigarettes to a tobacco heating cigarette or snus - a multi-center evaluation of biomarkers of exposure and harm
R.J. Reynolds Tobacco Company, Winston-Salem, NC, USA.
A randomized, multi-center, 3-group study was conducted in subjects who smoke (n=131) and were switched to a Tobacco Heating (TH) cigarette, Snus (S) or a Tobacco Burning (TB) cigarette (5 mg `tar' by the Cambridge filter method), with a...