title: [An electroencephalographic study of mentally retarded children -- long-term follow-up study (author's transl)].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004569:Electroencephalography; D004827:Epilepsy / Q000503:physiopathology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008607:Intellectual Disability / Q000503:physiopathology*; D008297:Male