title: Failure of the urinary delta-aminolevulinic acid test to detect pediatric lead poisoning.
mesh_terms: D002648:Child; D002675:Child, Preschool; D002852:Chromatography, Ion Exchange; D006455:Hemoglobins, Abnormal / Q000032:analysis; D006801:Humans; D007223:Infant; D007854:Lead / Q000097:blood; D007855:Lead Poisoning / Q000453:epidemiology / Q000652:urine*; D007982:Levulinic Acids / Q000652:urine*; D008403:Mass Screening; D011203:Poverty; D000608:Renal Aminoacidurias; D012111:Residence Characteristics; D013053:Spectrophotometry
chemical_list: D006455:Hemoglobins, Abnormal; D007982:Levulinic Acids; D007854:Lead