title: Letter: A synergistic interaction between u.v. and protons in causing loss of reproductive capacity in Escherichia coli B-r.
mesh_terms: D000332:Aerobiosis; D000693:Anaerobiosis; D004307:Dose-Response Relationship, Radiation; D004926:Escherichia coli / Q000528:radiation effects*; D011522:Protons; D011830:Radiation Effects; D014466:Ultraviolet Rays
chemical_list: D011522:Protons