Early detection of lead toxicity.
D006801:Humans; D007855:Lead Poisoning / Q000175:diagnosis*; D007982:Levulinic Acids / Q000032:analysis; D008722:Methods; D011166:Porphyrins / Q000652:urine; D013053:Spectrophotometry
D007982:Levulinic Acids; D011166:Porphyrins