Gamma RaysCobalt RadioisotopesGamma CamerasScattering, RadiationRadionuclide ImagingLinear Energy TransferFood IrradiationModels, StructuralDose-Response Relationship, RadiationCobalt IsotopesMonte Carlo MethodSpectrometry, GammaRelative Biological EffectivenessRadiation DosageCesium RadioisotopesHeavy IonsCaliforniumNeutronsThermoluminescent DosimetryPhantoms, ImagingRadiation EffectsRadiationRadiation ToleranceAlpha ParticlesBackground RadiationRadiometryImage Processing, Computer-AssistedProtonsNeoplasms, Radiation-InducedRadiation-Protective AgentsEscherichia coli O157DeinococcusUltraviolet RaysRadioisotopesClostridium botulinumRadiation, IonizingWhole-Body IrradiationDNA RepairElasmobranchiiSkates (Fish)DNA DamageO(6)-Methylguanine-DNA MethyltransferaseChromosome AberrationsRadiation InjuriesTime FactorsMice, Inbred C3HMutationMolecular Sequence DataLymphocytesAnimal FinsCathode Ray TubeCell Survival