title: Screening techniques for undue lead exposure in children: biological and practical considerations.
mesh_terms: D002648:Child; D002675:Child, Preschool; D004912:Erythrocytes / Q000201:enzymology; D006197:Hair / Q000032:analysis; D006801:Humans; D006836:Hydro-Lyases / Q000097:blood; D007223:Infant; D007854:Lead / Q000032:analysis / Q000097:blood / Q000378:metabolism / Q000652:urine; D007855:Lead Poisoning / Q000175:diagnosis / Q000517:prevention & control*; D007982:Levulinic Acids / Q000097:blood; D008403:Mass Screening; D008722:Methods; D009996:Osmotic Fragility; D011166:Porphyrins / Q000097:blood / Q000652:urine; D013053:Spectrophotometry
chemical_list: D007982:Levulinic Acids; D011166:Porphyrins; D007854:Lead; D006836:Hydro-Lyases