title: Effects of ionizing radiation on dried spores of Osmunda regalis. I. Electron spin resonance study of spores.
mesh_terms: D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals / Q000032:analysis; D009585:Nitrogen Dioxide / Q000494:pharmacology; D009609:Nitrous Oxide / Q000494:pharmacology; D010100:Oxygen / Q000494:pharmacology; D010944:Plants; D011830:Radiation Effects; D013170:Spores / Q000187:drug effects / Q000528:radiation effects*
chemical_list: D005609:Free Radicals; D009609:Nitrous Oxide; D009585:Nitrogen Dioxide; D010100:Oxygen