title: [Sign language: a gesture from and towards the mentally retarded].
mesh_terms: D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D008607:Intellectual Disability / Q000523:psychology*; D007398:Interpersonal Relations; D008369:Manual Communication; D012813:Sign Language
vernacular_title: Gebarentaal: een gebaar van en naar de zwakzinnige.