title: Urinary delta-aminolevulinic acid (ALA) levels in lead poisoning. I. A modified method for the rapid determination of urinary delta-aminolevulinic acid using disposable ion-exchange chromatography columns.
mesh_terms: D000596:Amino Acids / Q000652:urine*; D002675:Child, Preschool; D002852:Chromatography, Ion Exchange; D006801:Humans; D007223:Infant; D007855:Lead Poisoning / Q000652:urine*
chemical_list: D000596:Amino Acids