title: Screening for lead poisoning: measurements and methodology.
mesh_terms: D002648:Child; D002675:Child, Preschool; D004912:Erythrocytes / Q000032:analysis; D006801:Humans; D007223:Infant; D007854:Lead / Q000097:blood; D007855:Lead Poisoning / Q000097:blood / Q000175:diagnosis*; D008722:Methods; D011166:Porphyrins / Q000097:blood
chemical_list: D011166:Porphyrins; D007854:Lead