title: The in vivo effects of zinc on erythrocyte delta-aminolaevulinic acid dehydratase in man.
mesh_terms: D004781:Environmental Exposure; D004912:Erythrocytes / Q000201:enzymology*; D006801:Humans; D007854:Lead / Q000633:toxicity; D009787:Occupational Medicine; D000623:Porphobilinogen Synthase / Q000097:blood*; D015032:Zinc / Q000633:toxicity*
chemical_list: D007854:Lead; D000623:Porphobilinogen Synthase; D015032:Zinc