the ability of di ( 2-ethylhexyl ) phthalate ( dehp ) , a widely used plasticizer and environmental contaminant , to suppress development of putative preneoplastic lesions in rat liver was evaluated . gamma-glutamyl transpeptidase-positive ( ggt+ ) foci were initiated in the livers of sprague-dawley male rats with a single dose of diethylnitrosamine ( den ) following partial hepatectomy .
C0023884
livers
C0193398
partial hepatectomy