title: Age trends in mental deficiency institutions.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome / Q000453:epidemiology; D005260:Female; D006306:Health Surveys; D006782:Hospitals, Special; D006801:Humans; D008607:Intellectual Disability / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D011159:Population Surveillance; D012112:Residential Facilities; D006113:United Kingdom