1,2-DimethylhydrazineDimethylhydrazinesMethylhydrazinesMonomethylhydrazineColonic NeoplasmsCarcinogensHydrazinesColonAberrant Crypt FociPrecancerous ConditionsChlorophyllidesMethylazoxymethanol AcetateNeoplasms, ExperimentalCocarcinogenesisRats, Inbred F344Intestinal NeoplasmsIntestinal MucosaAnticarcinogenic AgentsAmorphophallusAdenosarcomaAdenocarcinomaAzo CompoundsCecal NeoplasmsIntestine, LargeDietary FiberRats, Inbred StrainsAdenomaColonic DiseasesAlkylationPectinsGuanineCelluloseRats, WistarRectumInjections, SubcutaneousAzoxymethaneCecumIntestine, SmallCell DivisionGingerRhizomePlant ExtractsFatty AlcoholsCancer Care FacilitiesGastrointestinal DiseasesCatechols