title: Lead in petrol: the alternatives.
mesh_terms: D000397:Air Pollution / Q000517:prevention & control; D006801:Humans; D007854:Lead / Q000009:adverse effects; D010578:Petroleum / Q000009:adverse effects*; D001335:Vehicle Emissions / Q000009:adverse effects
chemical_list: D010578:Petroleum; D001335:Vehicle Emissions; D007854:Lead