Carcinogenicity TestsCarcinogensNeoplasms, ExperimentalCarcinogens, EnvironmentalMutagenicity TestsRats, Inbred F344MutagensToxicologyToxicity Tests, ChronicAnimal Testing AlternativesNitrosaminesAcrylonitrilePapillomaLiver Neoplasms, ExperimentalDose-Response Relationship, DrugNose NeoplasmsDNA AdductsHydrocarbons, BrominatedRespiratory Tract NeoplasmsOchratoxinsCacodylic AcidNeoplasmsBenzopyrenesVinyl ChlorideChromiumBiotransformation