title: Changes in the pattern of reversion of a proline-requiring mutant of Salmonella typhimurium.
mesh_terms: D005838:Genotype; D008242:Lysogeny; D009154:Mutation / Q000528:radiation effects; D011392:Proline / Q000096:biosynthesis*; D011995:Recombination, Genetic; D012486:Salmonella typhimurium / Q000378:metabolism*; D013696:Temperature; D013997:Time Factors; D014466:Ultraviolet Rays
chemical_list: D011392:Proline