title: MUTAGENESIS AND CHROMOSOME STRUCTURE.
mesh_terms: D022004:Chromosome Structures; D002875:Chromosomes; D016296:Mutagenesis; D009154:Mutation; D009491:Neurospora; D009573:Nitrites; D010600:Pharmacology; D011687:Purines; D011827:Radiation; D012106:Research
chemical_list: D009573:Nitrites; D011687:Purines; C030985:purine
keywords: CHROMOSOMES; EXPERIMENTAL LAB STUDY; MUTATION; NEUROSPORA; NITRITES; PHARMACOLOGY; PURINES; RADIATION