the polychlorinated biphenyls mixture , aroclor 1254 , generally considered a powerful inducer of rat hepatic and pulmonary microsomal monooxygenases , caused a 70 % decrease in ethylmorphine n-demethylase activity , a 31 % decrease in benzo ( a ) pyrene hydroxylase activity , and a 42 % decrease in cytochrome p-450 content in rabbit lung microsomes .
C0003927
microsomal monooxygenases
C0005080
a