title: [delta-Aminolevulinic acid dehydratase activity of workers exposed to low levels of lead (author's transl)].
mesh_terms: D004781:Environmental Exposure; D006801:Humans; D007855:Lead Poisoning / Q000201:enzymology*; D009784:Occupational Diseases / Q000201:enzymology*; D000623:Porphobilinogen Synthase / Q000097:blood*
chemical_list: D000623:Porphobilinogen Synthase