title: Urinary excretion of beta-aminoisobutyric acid in Down's syndrome and in idiopathic mental retardation.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000621:Aminoisobutyric Acids / Q000652:urine*; D002648:Child; D002675:Child, Preschool; D002855:Chromatography, Thin Layer; D003404:Creatinine / Q000652:urine; D004314:Down Syndrome / Q000652:urine*; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000652:urine*; D008297:Male
chemical_list: D000621:Aminoisobutyric Acids; D003404:Creatinine