title: Catechol-O-methyltransferase activity in erythrocytes in Down's syndrome.
mesh_terms: D000293:Adolescent; D002394:Catechol O-Methyltransferase / Q000378:metabolism*; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome / Q000097:blood / Q000201:enzymology*; D004912:Erythrocytes / Q000201:enzymology*; D006801:Humans; D008607:Intellectual Disability / Q000097:blood / Q000201:enzymology
chemical_list: D002394:Catechol O-Methyltransferase