1. Brash D, Cairns J: The mysterious steps in carcinogenesis. Br J Cancer. 2009, 101: 379-380. 10.1038/sj.bjc.6605171.
2. Zaridze D, Peto R: Influence of dose and duration of smoking on lung cancer rates. Tobacco: Major international health hazard IARC Sci Publs. Lyon. 1986, 74: 23-33. 33eds
3. Druckrey H: Quantitative aspects in chemical carcinogenesis. UICC Monogr Ser. 1967, 7: 61-79.
4. Peto R, Gray R, Brantom P, Grasso P: Dose and time relationships for tumor induction in the liver and esophagus of 4080 inbred rats by chronic ingestion of N-nitrosodiethylamine or N-nitrosodimethylamine. Cancer Res. 1997, 51: 6452-6469.
5. Halpern MT, Gillespie BW, Warner KE: Patterns of absolute risk of lung cancer mortality in former smokers. J Natl Cancer Inst. 1993, 85: 457-464. 10.1093/jnci/85.6.457.