Petrol vendors, capillary blood lead levels and contamination.
D001800:Blood Specimen Collection; D005742:Gasoline; D006801:Humans; D007854:Lead / Q000097:blood*; D007855:Lead Poisoning / Q000453:epidemiology*; D009784:Occupational Diseases / Q000453:epidemiology*; D010578:Petroleum
D005742:Gasoline; D010578:Petroleum; D007854:Lead