title: Some old problems in mutagenesis and their bearing on mutagen testing.
mesh_terms: D000818:Animals; D002869:Chromosome Aberrations; D003434:Crossing Over, Genetic; D004307:Dose-Response Relationship, Radiation; D004330:Drosophila; D004353:Drug Evaluation, Preclinical; D005804:Genes, Lethal; D005821:Genetic Techniques; D005823:Genetics / Q000266:history; D006666:History of Medicine; D009153:Mutagens / Q000494:pharmacology; D014965:X-Rays
chemical_list: D009153:Mutagens