Columbia subject headings:
Harvard subject headings:
Older people--Health and hygiene--Mexico--Congresses.
Older people--Latin America--Social conditions--Congresses.
Older people--Mexico--Social conditions--Congresses.
Princeton subject headings:
Older people--Health and hygiene--Mexico--Congresses.
Older people--Latin America--Social conditions--Congresses.
Older people--Mexico--Social conditions--Congresses.
Quality of life--Latin America--Congresses.