1Pickworth W, Houlgate P, Schorp M, et al. A review of human smoking behaviour data and recommendation for a new ISO standard for the machine smoking of cigarettes [R]. The AD HOC WG9 Smoking Behaviour Review Team to ISO/TC 126/WG9, 2005.
8Massachusetts tobacco control program, cigarette and smokeless tobacco products:report of added constituents and nicotine ratings [ EB/OL]. [ 1997 - 01 - 09]. http://www. mass. gov
9Report of the ad hoe group ISO/TC126 WG, A review of human smoking behaviour data and recommendation for a new ISO standard for the machine smoking of cigarettes [ R]. 2005.
10Tobacco control program, determination of "tar, nicotine and carbon monoxide" in mainstream tobacco smoke [ EB/OL]. [ 1999 - 12 - 15 ]. http ://www. hc - sc. gc. ca.