title: Organic lead in normal human brains.
mesh_terms: D000293:Adolescent; D000328:Adult; D001923:Brain Chemistry; D002648:Child; D003300:Copper / Q000032:analysis; D004781:Environmental Exposure; D006801:Humans; D007854:Lead / Q000032:analysis*; D008875:Middle Aged; D009942:Organometallic Compounds / Q000032:analysis*; D014505:Urban Population; D001335:Vehicle Emissions / Q000009:adverse effects
chemical_list: D009942:Organometallic Compounds; D001335:Vehicle Emissions; D007854:Lead; D003300:Copper