1. R.C. Gupta, W.K. Lutz, Background DNA damage from endogenous and unavoidable exogenous exposure to genotoxic carcinogens, Mutat. Res. (1999), in press.
2. Use of historical control data in carcinogenicity studies in rodents;Haseman;Toxicol. Pathol.,1984
3. In vivo covalent binding of organic chemicals to DNA as a quantitative indicator in the process of chemical carcinogenesis;Lutz;Mutat. Res.,1979
4. Effects of chronic administration of tamoxifen and toremifene on DNA adducts in rat liver, kidney, and uterus;Li;Cancer Res.,1997
5. L.S. Gold, E. Zeiger, Handbook of Carcinogenic Potency and Genotoxicity Database, CRC Press, Boca Raton, FL 1997.