Radiation Tolerance article 8 nonhuman 8 priority journal 8 Animals 6 DNA Repair 6 animal cell 6 clonogenic assay 6 radiation dose 6 Biological Markers 4 Cell Survival 4 DNA 4 DNA Breaks, Double-Stranded 4 DNA damage 4 Dose-Response Relationship, Radiation 4 High linear energy transfers 4 Histones 4 Humans 4 Linear Energy Transfer 4 Phosphorylation 4 Radiation Dosage 4 Ultraviolet Rays 4 controlled study 4 female 4 histone H2AX 4 linear energy transfer 4 mouse 4 protein phosphorylation 4 Apoptosis 2 Blotting, Northern 2