title: The biophysical properties of 3.9-GeV nitrogen ions. V. Determinations of the relative biological effectiveness for somatic mutations in Tradescantia.
mesh_terms: D004307:Dose-Response Relationship, Radiation; D007477:Ions; D009154:Mutation / Q000528:radiation effects*; D009584:Nitrogen; D010944:Plants / Q000528:radiation effects*; D011830:Radiation Effects
chemical_list: D007477:Ions; D009584:Nitrogen