Columbia subject headings:
Harvard subject headings:
Chronically ill--Institutional care--United States--Statistics.
Chronically ill--United States--Statistics.
Inmates of institutions--United States--Statistics.
Medical care surveys--United States.
Mentally ill--United States--Statistics.
People with mental disabilities--United States--Statistics.
Princeton subject headings:
People with disabilities--Institutional care--United States.
People with mental disabilities--Institutional care--United States.