1. The influence of cigarette smoke yields on smoking habits;Adams,1978
2. The role of nicotine in the tobacco smoking habit;Armitage,1978
3. Smoking behavior and nicotine intake in smokers presented with a two-thirds cigarette;Ashton,1978
4. Self-titration by cigarette smokers;Ashton;British Medical Journal,1979
5. Blood carboxyhaemoglobin levels in smokers;Ashton;British Medical Journal,1974