title: On the nature of the lethal and mutagenic action of ultraviolet light on frozen bacteria.
mesh_terms: D001419:Bacteria / Q000528:radiation effects*; D004926:Escherichia coli / Q000528:radiation effects; D005615:Freezing; D066298:In Vitro Techniques; D009154:Mutation / Q000528:radiation effects; D014466:Ultraviolet Rays / Q000009:adverse effects*