title: The LET factor in mutagenesis by ionizing radiations. I. Reversion to wild type of a bacteriophage T4 amber mutant.
mesh_terms: D000512:Alpha Particles; D003037:Cobalt Radioisotopes; D003090:Coliphages / Q000528:radiation effects*; D004307:Dose-Response Relationship, Radiation; D004735:Energy Transfer; D008851:Micropore Filters; D009154:Mutation / Q000528:radiation effects*; D011522:Protons; D011831:Radiation Genetics
chemical_list: D003037:Cobalt Radioisotopes; D011522:Protons