title: E.p.r. of free radicals formed in DNA and its constituents after exposure to discharge-excited inert gases. I. Thymine and thymidine.
mesh_terms: D001128:Argon; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D006371:Helium; D009584:Nitrogen; D011830:Radiation Effects; D013936:Thymidine / Q000528:radiation effects; D013941:Thymine / Q000528:radiation effects
chemical_list: D005609:Free Radicals; D006371:Helium; D001128:Argon; D009584:Nitrogen; D013941:Thymine; D013936:Thymidine