CORESTA Meeting, Smoke/Technology, Xian, 2001, ST 01
Mouth insertion depth among Chinese smokers
Yunnan Academy of Tobacco Science, Kunming, Yunnan, China
Blocking of filter ventilation holes by smokers' lips during smoking (intentionally or unintentionally, partly or completely), is an aspect of smoking behavior which could increase mainstream smoke yields. One way in which the ventilation holes can ...