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2. Tritiated thymidine as a broad spectrum initiator in transplacental two-stage carcinogenesis, with phorbol as promoter;Armuth;Int. J. Cancer,1979
3. Further observations on induction of tumours in mice with radioactive thymidine;Baserga,1962
4. Short-term in vivo initiation/promotion bioassay for hepatocarcinogenesis;Ford;J. Environ. Pathol. Toxicol.,1980
5. Systemic 2-stage carcinogenesis in the epithelium of the forestomach of mice using 7,12-dimethyl-benz(a)anthracene as initiator and the phorbol ester 12-O-tetradecanoylphorbol-13-acetate as promotor;Goerttler;Cancer Res.,1979