Comet AssayDNA DamageMicronucleus TestsMeteoroidsMutagensCosmic DustMutagenicity TestsDNA-Formamidopyrimidine GlycosylaseAntimutagenic AgentsDNA RepairDNA Breaks, Single-StrandedLymphocytesNeonMicronuclei, Chromosome-DefectiveGamma RaysEthyl MethanesulfonateDNA FragmentationDNA BreaksLeukemia L5178DNAMethyl MethanesulfonateDose-Response Relationship, RadiationElectrophoresis, Agar GelDNA Breaks, Double-StrandedOxidative StressSpermatozoaRadiationRadiation ToleranceMinor PlanetsJupiterHydrogen PeroxideCaseariaMelastomataceaeDeoxyguanosineOccupational Exposure7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxideRadiation, IonizingStruthioniformesCell SurvivalEthylnitrosoureaAgrochemicalsDose-Response Relationship, DrugX-RaysAntioxidantsMedical Secretaries