title: [Statistics on mentally retarded children in Czechoslovakia].
authors.forename: A
authors.initials: A
authors.lastname: ODARCENKO
mesh_terms: D001699:Biometry; D002648:Child; D003604:Czechoslovakia; D006801:Humans; D008607:Intellectual Disability; D019989:Persons with Intellectual Disabilities
vernacular_title: Nĕkterá statistická data o zaprä cinĕnä dĕtských dusevnäch úchylnostä.