Red cell lead and  -amino levulinic acid dehydratase.
D000293:Adolescent; D000328:Adult; D000740:Anemia / Q000201:enzymology; D002648:Child; D002675:Child, Preschool; D004912:Erythrocytes / Q000201:enzymology*; D006400:Hematocrit; D006801:Humans; D006836:Hydro-Lyases / Q000097:blood*; D007854:Lead / Q000097:blood*; D000623:Porphobilinogen Synthase / Q000097:blood; D012959:Socioeconomic Factors; D013054:Spectrophotometry, Atomic
D007854:Lead; D006836:Hydro-Lyases; D000623:Porphobilinogen Synthase