title: Letter: On a fundamental problem in radiation biology.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000032:analysis / Q000528:radiation effects*; D001435:Bacteriophages / Q000032:analysis / Q000528:radiation effects; D002470:Cell Survival / Q000528:radiation effects; D002477:Cells / Q000032:analysis / Q000528:radiation effects*; D002642:Chick Embryo; D006168:Guinea Pigs; D006801:Humans; D051379:Mice; D009696:Nucleic Acids / Q000032:analysis; D011830:Radiation Effects; D012441:Saccharomyces cerevisiae / Q000032:analysis / Q000528:radiation effects*; D014780:Viruses / Q000032:analysis / Q000528:radiation effects*
chemical_list: D009696:Nucleic Acids