title: E.P.R. of free radicals formed in DNA and its constituents after exposure to discharge-excited inert gases. II. Purines and DNA.
mesh_terms: D000225:Adenine / Q000528:radiation effects; D001128:Argon; D004247:DNA / Q000528:radiation effects*; D003839:Deoxyadenosines / Q000528:radiation effects; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D006147:Guanine / Q000528:radiation effects; D006371:Helium; D009584:Nitrogen; D011830:Radiation Effects
chemical_list: D003839:Deoxyadenosines; D005609:Free Radicals; D006371:Helium; D006147:Guanine; D001128:Argon; D004247:DNA; D000225:Adenine; D009584:Nitrogen