1. The natural history of chronic airflow obstruction;Fletcher, C.; Peto, R.;Br Med J,1977
2. Relation between lung cancer, chronic bronchitis, and airways obstruction;Caplin, M.; Fenstenstein, F.;Br Med J,1975
3. Smoking, chronic bronchitis, bronchiolar obstruction, and lung cancer;Scherrer, L.; Zeller, C.; Scherrer, M.;Schweiz Med Wochenschr,1978
4. Effect of cigarette smoking and carbon monoxide on coronary heart disease;Aronow, W.S.;Chest,1976
5. The evidence for nicotine as an etiological factor in cardiovascular disease;Schievelbein, H.,1976