the presence of high levels of two distinct forms of lung microsomal p450-dependent alkoxyphenoxazone dealkylases , bzoph'ase from untreated and beta nf-treated rats and etoph'ase from beta nf-treated rats , will be useful for studies on specific p450-xenobiotic interactions in rat pulmonary tissue .
C0003927
microsomal p450
C0010762
p450