Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 48, APST4
The truth uncovered about filter vent blocking
British American Tobacco, Group R&D, Southampton, UK
Vent blocking, the covering of the filter ventilation zone on a cigarette during smoking, is a potentially important aspect of smoking behavior that could influence mainstream smoke yields. The subject was reviewed at the Tobacco Chemists' Research...