title: Radiochemical changes in the pyrimidine bases of nucleic acids.
mesh_terms: D003470:Culture Media; D004247:DNA / Q000528:radiation effects; D004269:DNA, Bacterial / Q000528:radiation effects; D004926:Escherichia coli / Q000528:radiation effects; D009696:Nucleic Acids / Q000528:radiation effects*; D011743:Pyrimidines / Q000528:radiation effects*; D011830:Radiation Effects; D011854:Radiochemistry; D014466:Ultraviolet Rays
chemical_list: D003470:Culture Media; D004269:DNA, Bacterial; D009696:Nucleic Acids; D011743:Pyrimidines; D004247:DNA