the dose-dependence effects of 3 antioxidants , butylated hydroxyanisole ( bha : 2.0 % , 1.0 % and 0.5 % ) , butylated hydroxytoluene ( bht : 1.0 % , 0.5 % and 0.25 % ) and ethoxyquin ( eq : 0.5 % , 0.25 % and 0.125 % ) combined with partial hepatectomy on the development of preneoplastic lesions in the liver of diethylnitrosamine ( den , 200 mg/kg body wt ) -treated rats were investigated .
C0193398
partial hepatectomy
C0023884
liver