the ed25 and ed50 values for hepatic microsomal aryl hydrocarbon hydroxylase ( ahh ) and ethoxyresorufin o-deethylase ( erod ) induction as well as for body weight loss and for thymic atrophy were determined for nine pcb congeners and 4'-bromo-2,3,4,5-tetrachlorobiphenyl .
C0003927
aryl hydrocarbon
C0059735
ethoxyresorufin o-deethylase