title: Chromosome studies in workers exposed to benzene or toluene or both.
mesh_terms: D000328:Adult; D001554:Benzene / Q000009:adverse effects / Q000494:pharmacology* / Q000506:poisoning; D001772:Blood Cell Count; D002617:Chemical Industry; D002869:Chromosome Aberrations / Q000187:drug effects*; D006801:Humans
chemical_list: D001554:Benzene