title: FEP screening for plumbism.
mesh_terms: D007855:Lead Poisoning / Q000097:blood / Q000175:diagnosis*; D008403:Mass Screening; D011166:Porphyrins / Q000097:blood*; D011524:Protoporphyrins / Q000097:blood*; D015032:Zinc / Q000097:blood
chemical_list: D011166:Porphyrins; D011524:Protoporphyrins; D015032:Zinc