title: Trace analysis: a requirement for toxicological research with carcinogens and hazardous substances.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002273:Carcinogens / Q000032:analysis* / Q000652:urine; D002849:Chromatography, Gas / Q000379:methods; D004785:Environmental Pollutants / Q000032:analysis; D006801:Humans; D051379:Mice; D014131:Trace Elements / Q000032:analysis*
chemical_list: D002273:Carcinogens; D004785:Environmental Pollutants; D014131:Trace Elements