1. Smokers of low yield cigarettes do not consume less nicotine;Benowitz;New Engl. J. Med.,1983
2. Effect of curing on the chemical composition of burley tobacco;Burton;Recent Adv. Tob. Sci.,1983
3. Production factors affecting chemical components of the tobacco leaf;Chaplin;Recent Adv. Tob. Sci.,1980
4. Is cigarette consumption declining in Canada?;Collishaw,1983