The current lead pollution problem.
D000397:Air Pollution; D004782:Environmental Health; D004787:Environmental Pollution; D005506:Food Contamination; D006801:Humans; D007220:Industrial Waste; D007854:Lead / Q000097:blood; D010150:Paint / Q000506:poisoning; D001335:Vehicle Emissions; D014877:Water Pollution, Chemical; D014881:Water Supply
D007220:Industrial Waste; D001335:Vehicle Emissions; D007854:Lead