measurement of aryl hydrocarbon hydroxylase ( ahh ) and 7-ethoxycoumarin o-deethylase ( 7ecd ) activity in tissue homogenates , however , showed that administration of aroclor 1254 ( 15 mg kg-1 body weight or greater ) induced mono-oxygenase activity in fetal liver .
C0003927
aryl
C0000644
7-ethoxycoumarin o-deethylase