[A punched card index for keeping track of brain damaged, severely retarded children].
D001925:Brain Damage, Chronic / Q000453:epidemiology*; D002648:Child; D004812:Epidemiologic Methods; D005859:Germany, East; D006801:Humans; D008607:Intellectual Disability / Q000453:epidemiology*; D008499:Medical Records; D011676:Punched-Card Systems; D012042:Registries
Ueber eine Randlochkarteikarte zur Erfassung hirngeschädigter, schwer schwachsinniger Kinder.