title: ESR and ENDOR studies of irradiated nucleic acid constituents.
mesh_terms: D001463:Barbiturates / Q000528:radiation effects*; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D008968:Molecular Conformation; D009686:Nuclear Physics; D009690:Nucleic Acid Conformation; D011830:Radiation Effects; D013696:Temperature; D013936:Thymidine / Q000528:radiation effects*
chemical_list: D001463:Barbiturates; D005609:Free Radicals; D013936:Thymidine