title: [Investigation on the urinary catecholamine of workers in benzene, toluene and xylene plants].
mesh_terms: D000328:Adult; D001554:Benzene / Q000633:toxicity*; D002395:Catecholamines / Q000652:urine*; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009420:Nervous System / Q000187:drug effects; D009787:Occupational Medicine; D014050:Toluene / Q000633:toxicity*; D014992:Xylenes / Q000633:toxicity*
chemical_list: D002395:Catecholamines; D014992:Xylenes; D014050:Toluene; D001554:Benzene