Estimating smokers' mouth-level exposure to select mainstream smoke constituents from discarded cigarette filter butts

G. M Polzin, W Wu, X Yan, J. M McCraw, S Abdul Salaam, A. D Tavakoli, L Zhang, D. L Ashley and C. H. Watson

Nicotine & Tobacco Research 11 ( 7 ): 868 - 874 , 2009