title: Failure to detect a mutagenic activity of 8-methoxypsoralen (in the dark) in strains of Salmonella typhimurium and Escherichia coli.
mesh_terms: D003624:Darkness; D004926:Escherichia coli / Q000187:drug effects*; D005815:Genetic Code; D006639:Histidine / Q000378:metabolism; D008730:Methoxsalen / Q000494:pharmacology*; D009153:Mutagens; D009154:Mutation; D012486:Salmonella typhimurium / Q000187:drug effects*; D014158:Transcription, Genetic
chemical_list: D009153:Mutagens; D006639:Histidine; D008730:Methoxsalen