title: Problems of testing drugs for potential mutagenicity.
mesh_terms: D015112:4-Nitroquinoline-1-oxide / Q000494:pharmacology; D000818:Animals; D001711:Biotransformation; D002273:Carcinogens; D002869:Chromosome Aberrations; D004128:Dimethylnitrosamine / Q000494:pharmacology; D004353:Drug Evaluation, Preclinical / Q000592:standards*; D008769:Methylnitronitrosoguanidine / Q000494:pharmacology; D009153:Mutagens / Q000633:toxicity
chemical_list: D002273:Carcinogens; D009153:Mutagens; D008769:Methylnitronitrosoguanidine; D015112:4-Nitroquinoline-1-oxide; D004128:Dimethylnitrosamine