title: [Biochemistry of mental retardation].
mesh_terms: D000592:Amino Acid Metabolism, Inborn Errors / Q000150:complications / Q000378:metabolism; D001663:Bilirubin / Q000378:metabolism; D055598:Chemical Phenomena; D002621:Chemistry; D005733:Gangliosidoses / Q000150:complications / Q000378:metabolism; D006801:Humans; D008607:Intellectual Disability / Q000209:etiology*; D008052:Lipid Metabolism, Inborn Errors / Q000378:metabolism; D013106:Sphingolipidoses / Q000150:complications / Q000378:metabolism; D013107:Sphingolipids / Q000378:metabolism
chemical_list: D013107:Sphingolipids; D001663:Bilirubin