title: Environmental exposure to lead: analytical and epidemiological investigations using the European standardised method for blood delta-aminolevulinic acid dehydratase activity determination.
mesh_terms: D004796:Clinical Enzyme Tests; D005060:Europe; D006801:Humans; D007855:Lead Poisoning / Q000175:diagnosis / Q000453:epidemiology*; D008403:Mass Screening; D000623:Porphobilinogen Synthase / Q000097:blood*
chemical_list: D000623:Porphobilinogen Synthase