title: [Decrease in lead exposure in the USA].
mesh_terms: D004781:Environmental Exposure; D006801:Humans; D007854:Lead / Q000009:adverse effects* / Q000097:blood; D008452:Maximum Allowable Concentration; D014481:United States
chemical_list: D007854:Lead
vernacular_title: Rückgang der Bleibelastung in den USA.