Radiation DosageRadiation, IonizingRadiation InjuriesDose-Response Relationship, RadiationRadiation ToleranceRadiationRadiation ProtectionRadiation MonitoringRadiation OncologyCosmic RadiationRadiation Injuries, ExperimentalRadiation PneumonitisHistamine ReleaseGamma RaysNeoplasms, Radiation-InducedBackground RadiationRadiotherapyRadiometryUltraviolet RaysRadiotherapy DosageRadiation EffectsCalciumRadiation-Sensitizing AgentsCombined Modality TherapyRadiation-Protective AgentsTime FactorsAcute Radiation SyndromeCells, CulturedRadioactive Hazard ReleaseX-RaysDelayed-Action PreparationsCobalt RadioisotopesRadiobiologyRadiotherapy, ConformalRadiation Hybrid MappingDose FractionationDNA DamageRyanodine Receptor Calcium Release ChannelRadiotherapy, Intensity-ModulatedBrachytherapyDose-Response Relationship, DrugLinear Energy TransferKineticsRadiodermatitisNeurotransmitter AgentsRadiotherapy Planning, Computer-AssistedCell SurvivalRadiotherapy, AdjuvantApoptosisRadiation GeneticsLeukemia, Radiation-InducedNuclear WarfareBody BurdenSynchrotronsRats, Sprague-DawleyCell LineRadiation, NonionizingVirus ReleaseElectromagnetic RadiationCesium RadioisotopesRelative Biological EffectivenessParticle AcceleratorsFluoroscopyAbnormalities, Radiation-InducedSunlightWhole-Body IrradiationDNA RepairThermoluminescent DosimetryCell Line, TumorTreatment OutcomeBeta ParticlesModels, BiologicalSignal TransductionRats, WistarTechnology, RadiologicNuclear WeaponsRadiographyAdenosine TriphosphateBrain NeoplasmsElectric StimulationRadioactive FalloutMolecular Sequence DataAcetylcholineCalcium SignalingNeoplasmsTomography, X-Ray ComputedRadiosurgerySolar ActivitySynaptic TransmissionRabbitsEnzyme InhibitorsRadiotherapy, High-EnergyInfrared RaysHead and Neck NeoplasmsCalcium ChannelsExocytosisChernobyl Nuclear AccidentMice, Inbred C57BLRadioisotopesGlutamic Acid