THE HYGIENIC ASPECTS OF THE PRODUCTION AND USE OF LEAD ANTIKNOCK COMPOUNDS.
D000397:Air Pollution; D001774:Blood Chemical Analysis; D001826:Body Fluids; D006801:Humans; D007854:Lead; D008660:Metabolism; D019216:Metals, Heavy; D010578:Petroleum; D012137:Respiratory System; D014556:Urine; D001335:Vehicle Emissions
D019216:Metals, Heavy; D010578:Petroleum; D001335:Vehicle Emissions; D007854:Lead
AIR POLLUTION; AUTOMOBILE EXHAUST; BLOOD CHEMICAL ANALYSIS; LEAD; METABOLISM; PETROLEUM; RESPIRATORY SYSTEM; URINE