in an effort to determine the role that metabolism by the cytochrome p-450 system plays in the development of hexachlorobenzene ( hcb ) -induced porphyria , japanese quail were pretreated with either beta-naphthoflavone ( bnf ) or phenobarbital ( pb ) and then treated with hcb .
C0032708
porphyria
C0031412
phenobarbital