Columbia subject headings:
Indians of North America--Medicine.
Indians of North America.
Indians of South America--Medicine.
Indians of South America.
Harvard subject headings:
Indians of North America--Medicine.
Indians of North America.
Indians of South America
Indians of South America--Medicine
Princeton subject headings:
Indians of North America--Foreign influences.
Indians of North America--Medicine.
Indians of North America.
Indians of South America--Culture.
Indians of South America--Medicine.