Columbia subject headings:
Geriatrics--Technological innovations--United States.
Older people--Care--Technological innovations--United States.
Older people--Health and hygiene--Technological innovations--United States.
Older people--United States--Social conditions.
Harvard subject headings:
Princeton subject headings:
Geriatrics--Technological innovations--United States.
Older people--Health and hygiene--United States.
Older people--Rehabilitation--United States.
Older people--United States--Social conditions.
Technological innovations--United States.
Technology assessment--United States.