title: Genetic duplications induced at very high frequency by ultraviolet irradiation in Escherichia coli.
mesh_terms: D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D004926:Escherichia coli / Q000528:radiation effects*; D005827:Genetics, Microbial; D008698:Mesylates; D009573:Nitrites; D009604:Nitrosoguanidines; D011831:Radiation Genetics; D014466:Ultraviolet Rays
chemical_list: D008698:Mesylates; D009573:Nitrites; D009604:Nitrosoguanidines