title: Mutagen activation by hepatic fractions from conventional, germfree and monoassociated rats.
mesh_terms: D000818:Animals; D001711:Biotransformation; D007422:Intestines / Q000382:microbiology*; D008099:Liver / Q000378:metabolism*; D051379:Mice; D008807:Mice, Inbred BALB C; D009153:Mutagens / Q000378:metabolism* / Q000633:toxicity; D051381:Rats
chemical_list: D009153:Mutagens