title: Effect of oral zinc intake on the biological effect of lead.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D004912:Erythrocytes / Q000201:enzymology; D006801:Humans; D007854:Lead / Q000037:antagonists & inhibitors* / Q000633:toxicity; D007855:Lead Poisoning / Q000517:prevention & control*; D000623:Porphobilinogen Synthase / Q000097:blood; D015032:Zinc / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D007854:Lead; D000623:Porphobilinogen Synthase; D015032:Zinc