1. Promotion of N-nitrosodiethylamine-initiated hepatocellular tumors and hepatoblastomas by 2,3,7,8-tetrachlorodibenzo-p-dioxin or aroclor 1254 in C57BL/6, DBA/2, and B6D2F1 mice;Beebe;Cancer Research,1995
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3. On the absence of carcinogenicity to man of phenobarbital;Clemmensen;Acta Pathological Microbiology Scandinavia,1977
4. Regression models and life tables;Cox;Journal of the Royal Statistical Society Series B,1972
5. N-nitroso-N-methylurea initiation in multiple tissues for organ-specific tumor promotion in rats by phenobarbital;Diwan;Journal of the National Cancer Institute,1985