title: Letter: Comment on "Further data on DNA strand breakage by various radiation qualities".
mesh_terms: D000512:Alpha Particles; D003037:Cobalt Radioisotopes; D004247:DNA / Q000528:radiation effects*; D011522:Protons; D011830:Radiation Effects
chemical_list: D003037:Cobalt Radioisotopes; D011522:Protons; D004247:DNA