Acute Radiation SyndromeRadiation InjuriesRadiation Injuries, ExperimentalGamma RaysRadiation DosageRadioactive Hazard ReleaseDose-Response Relationship, RadiationRadiation-Protective AgentsRadiodermatitisWhole-Body IrradiationRadiation ToleranceRadiation PneumonitisRadiation, IonizingRadiotherapyRadiometryRadiation ProtectionCobalt RadioisotopesRadiationProctitisLinear Energy TransferLethal Dose 50Food IrradiationRelative Biological EffectivenessMass Casualty IncidentsCobalt IsotopesRadiation MonitoringWounds and InjuriesCesium RadioisotopesSpectrometry, GammaRadiation EffectsHeavy IonsBackground RadiationPlacental ExtractsThermoluminescent DosimetryNeoplasms, Radiation-InducedCaliforniumNeutronsSurge CapacityMice, Inbred C57BLX-RaysRadiotherapy DosageFluoroscopyRadiation OncologyCosmic RadiationUltraviolet RaysBrain InjuriesTime FactorsIntestinal DiseasesIntestinesAlpha ParticlesCell SurvivalAthletic InjuriesSpinal Cord InjuriesReperfusion InjuryBrain NeoplasmsDNA DamageRadioisotopesNecrosisSkinDNA RepairDeinococcusApoptosisCombined Modality TherapyRadiation-Sensitizing AgentsGastrointestinal TractInjury Severity ScoreRats, Sprague-DawleyNeoplasm Recurrence, LocalLung Injury