Rats, Inbred F344Appetite StimulantsFANFTRats, Inbred LewAspergillus ochraceusCalcium CitrateLeydig Cell TumorRodent DiseasesChlordiazepoxideNeoplasms, ExperimentalSpecies Specificity2-AcetylaminofluoreneCarcinogensThyroid GlandLiver Neoplasms, ExperimentalRats, Inbred StrainsAgingNitrosaminesAflatoxin B1Organ SizeBody WeightLiverPrecancerous ConditionsTime FactorsHyperplasiaGliomaDose-Response Relationship, DrugNeoplasm TransplantationCorticosteroneUrinary Bladder NeoplasmsMammary Neoplasms, ExperimentalDietCell Transformation, ViralRats, Inbred BNDisease Models, AnimalBrain NeoplasmsCell LineSpleenKidneyAnimals, NewbornEpitheliumCell DivisionCells, CulturedSiloxanesIsocyanatesCyanatesCarcinogenicity TestsDimethylnitrosamineSulfur OxidesPyrrolizidine AlkaloidsDiethylnitrosamineDipeptidyl Peptidase 4Cyclohexenesgamma-Glutamyltransferase