title: Zinc protoporphyrin and blood lead levels.
mesh_terms: D004781:Environmental Exposure; D006801:Humans; D007854:Lead / Q000097:blood*; D007855:Lead Poisoning / Q000097:blood*; D011166:Porphyrins / Q000097:blood*; D011524:Protoporphyrins / Q000097:blood*; D015032:Zinc / Q000097:blood
chemical_list: D011166:Porphyrins; D011524:Protoporphyrins; C017803:zinc protoporphyrin; D007854:Lead; D015032:Zinc