title: [4-alkyl-lead and environmental pollution].
mesh_terms: D000397:Air Pollution / Q000032:analysis*; D006801:Humans; D007854:Lead / Q000032:analysis* / Q000097:blood / Q000378:metabolism / Q000633:toxicity / Q000652:urine; D007855:Lead Poisoning; D009784:Occupational Diseases; D010578:Petroleum / Q000032:analysis
chemical_list: D010578:Petroleum; D007854:Lead