Columbia subject headings:
Indians of Central America--Health and hygiene--Guatemala--Case studies.
Indians of Mexico--Health and hygiene--Mexico--Case studies.
Public health--Mexican-Guatemalan Border Region--Case studies.
Harvard subject headings:
Indians of Central America--Health and hygiene--Guatemala--Case studies.
Indians of Mexico--Health and hygiene--Mexico--Case studies.
Public health--Mexican-Guatemalan Border Region--Case studies.
Princeton subject headings:
Public health--Mexican-Guatemalan Border Region.