title: [Effects of environmental disturbances on mentally defective children].
authors.forename: G
authors.initials: G
authors.lastname: NISSEN
mesh_terms: D002648:Child; D004777:Environment; D006801:Humans; D008607:Intellectual Disability / Q000523:psychology*
keywords: ENVIRONMENT; MENTAL DEFICIENCY/psychology
vernacular_title: Uber Auswirkungen von Milieuschäden auf schwachsinnige Kinder.