title: [Low intelligence level and mental deterioration in childhood].
mesh_terms: D002648:Child; D002657:Child Development; D002675:Child, Preschool; D004495:Education of Persons with Intellectual Disabilities; D005555:Forensic Psychiatry; D005859:Germany, East; D006801:Humans; D008607:Intellectual Disability / Q000145:classification* / Q000175:diagnosis / Q000628:therapy; D007360:Intelligence; D007361:Intelligence Tests; D007391:International Cooperation; D010553:Personality Development; D011570:Psychiatry; D011581:Psychological Tests; D011599:Psychopathology; D009626:Terminology as Topic
vernacular_title: Intelligenztiefstand und Intelligenzabbau im Kindesalter.