1,2-DimethylhydrazineDimethylhydrazinesMethylhydrazinesMonomethylhydrazineColonic NeoplasmsCarcinogensHydrazinesColonAberrant Crypt FociNeoplasms, ExperimentalPrecancerous ConditionsChlorophyllidesRats, Inbred F344Intestinal NeoplasmsMethylazoxymethanol AcetateCocarcinogenesisIntestinal MucosaAnticarcinogenic AgentsAdenocarcinomaAmorphophallusAdenosarcomaAdenomaAzo CompoundsCecal NeoplasmsTumor Markers, BiologicalIntestine, LargeRats, Inbred StrainsTumor BurdenTumor Necrosis Factor-alphaDietary FiberCell DivisionColonic DiseasesCell Line, TumorAlkylationGuaninePectinsRats, WistarCelluloseWilms TumorKidney NeoplasmsCell Transformation, NeoplasticDisease Models, AnimalAzoxymethaneRectumGenes, Tumor SuppressorCecumInjections, SubcutaneousCarcinoid TumorTime FactorsTumor Suppressor Protein p53DietIntestine, Small