title: Letter: Superoxide dismutase in Down syndrome.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D002904:Chromosomes, Human, 21-22 and Y; D004314:Down Syndrome / Q000097:blood / Q000201:enzymology* / Q000235:genetics; D004912:Erythrocytes / Q000201:enzymology; D005796:Genes; D006801:Humans; D013482:Superoxide Dismutase / Q000097:blood*
chemical_list: D013482:Superoxide Dismutase