title: Direct-acting mutagens in diesel exhausts: magnitude of the problem.
mesh_terms: D009152:Mutagenicity Tests; D009153:Mutagens; D009578:Nitrobenzenes / Q000032:analysis; D011721:Pyrenes / Q000032:analysis; D012486:Salmonella typhimurium / Q000235:genetics; D001335:Vehicle Emissions / Q000032:analysis*
chemical_list: D009153:Mutagens; D009578:Nitrobenzenes; D011721:Pyrenes; D001335:Vehicle Emissions