Columbia subject headings:
Indians of North America--Health and hygiene.
Indians of North America--Medical care.
Harvard subject headings:
Health surveys--United States.
Indians of North America--Health and hygiene.
Indians of North America--Medical care.
Mortality--United States--Statistics.
United States. Indian Health Service.
Princeton subject headings:
Health surveys--United States.
Indians of North America--Health and hygiene.
Indians of North America--Medical care.
Mortality--United States--Statistics.
Statistics.
United States. Indian Health Service