title: An E.P.R. study of peptides after U.V. irradiation.
mesh_terms: D000596:Amino Acids / Q000528:radiation effects; D004578:Electron Spin Resonance Spectroscopy; D010455:Peptides / Q000528:radiation effects*; D011830:Radiation Effects; D014466:Ultraviolet Rays
chemical_list: D000596:Amino Acids; D010455:Peptides