title: Elevated blood lead levels in children--a 27-city neighborhood survey.
mesh_terms: D001741:Black or African American; D002648:Child; D002675:Child, Preschool; D006798:Housing; D006801:Humans; D007854:Lead / Q000097:blood*; D007855:Lead Poisoning / Q000097:blood / Q000453:epidemiology*; D010150:Paint; D013223:Statistics as Topic; D014481:United States; D014505:Urban Population
chemical_list: D007854:Lead