title: Blood-lead levels in London taxi drivers.
mesh_terms: D001334:Automobile Driving; D002248:Carbon Monoxide / Q000097:blood*; D004781:Environmental Exposure; D006801:Humans; D007854:Lead / Q000097:blood*; D008131:London; D009790:Occupations; D001335:Vehicle Emissions
chemical_list: D001335:Vehicle Emissions; D007854:Lead; D002248:Carbon Monoxide