SitosterolsPhytosterolsMargarineButterYogurtPhytotherapyPentacyclic TriterpenesCholesterol, LDLHypercholesterolemiaAnticholesteremic AgentsEstersCholesterolSterolsCross-Over StudiesLipidsIntestinal AbsorptionOrphan Nuclear ReceptorsLipoproteinsDietPlant ExtractsCholesterol, HDLTriglyceridesRadiation DosageLethal Dose 50Drug Administration ScheduleAdministration, OralRadiometryTime FactorsDose-Response Relationship, RadiationDose FractionationRadiotherapy DosageDouble-Blind MethodTreatment OutcomeInjections, IntravenousArea Under CurveRadiotherapy Planning, Computer-AssistedHalf-LifeInfusions, IntravenousBody BurdenThermoluminescent DosimetryRats, Sprague-DawleyDrug InteractionsRelative Biological EffectivenessDrug Therapy, CombinationBiological AvailabilityAntineoplastic Agents