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1,1-Dichloro-2,2-bis(p-chlorophenyl)ethylene (DDE), a persistent environmental contaminant, is a metabolite of the pesticide 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane (DDT). DDE is similar to(More)
2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) is a potent hepatocarcinogen in female but not in male rats. Several lines of evidence suggest a key role of ovarian hormones, presumably estrogen, in the(More)