Columbia subject headings:
Harvard subject headings:
Aging--China.
Aging--Economic aspects--East Asia.
Aging--Japan.
Aging--Korea (South)
Aging--Social aspects--East Asia.
Demographic transition--East Asia.
Older people--East Asia--Economic conditions.
Older people--Long-term care of the sick--East Asia.
Older people--Long-term care--East Asia.
Older people--Medical care--East Asia.
Social security--East Asia.
Princeton subject headings:
Aging--China.
Aging--Economic aspects--East Asia.
Aging--Japan.
Aging--Korea (South).
Aging--Social aspects--East Asia.
Demographic transition--East Asia.
Older people--East Asia--Economic conditions.
Older people--Long-term care of the sick--East Asia.
Older people--Medical care--East Asia.
Social security--East Asia.