title: Low plasma selenium in Down's syndrome (trisomy 21).
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome / Q000097:blood*; D005247:Feeding Behavior; D005979:Glutathione Peroxidase / Q000097:blood; D006801:Humans; D012643:Selenium / Q000097:blood*
chemical_list: D005979:Glutathione Peroxidase; D012643:Selenium