Mentally retarded in Denmark. An epidemiological study of 21,000 registered cases. Some results of a census, May 1974.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003718:Denmark; D006233:Persons with Disabilities; D005260:Female; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000453:epidemiology*; D008297:Male; D001523:Mental Disorders / Q000453:epidemiology; D008605:Mental Health Services; D008875:Middle Aged; D012042:Registries; D012737:Sex Factors