Dose-Response Relationship, DrugTime FactorsRadiation DosageRadiation, IonizingDose-Response Relationship, RadiationRadiation InjuriesCholera ToxinRadiation ToleranceRadiationInternal-External ControlT-2 ToxinRadiation ProtectionRadiometryTetanus ToxinNeoplasms, Radiation-InducedRadiation OncologyOxytropisBotulinum Toxins, Type ARadiotherapy DosageGamma RaysMarine ToxinsCosmic RadiationRadiation Injuries, Experimental