title: Sleep in the mentally retarded.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003555:Cystinuria / Q000503:physiopathology; D003635:De Lange Syndrome / Q000503:physiopathology; D004314:Down Syndrome / Q000503:physiopathology; D004562:Electrocardiography; D004569:Electroencephalography; D004576:Electromyography; D005133:Eye Movements; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000503:physiopathology*; D008875:Middle Aged; D010667:Phenylpyruvic Acids / Q000652:urine; D012119:Respiration; D012890:Sleep
chemical_list: D010667:Phenylpyruvic Acids