Columbia subject headings:
Harvard subject headings:
Cocaine
Indians of South America--Andes Region--Narcotics.
Paez Indians--Narcotics.
Princeton subject headings:
Coca--Andes Region.
Cocaine--Andes Region.
Indians of South America--Andes Region--Drug use.
Indians of South America--Andes Region--Narcotics.
Paez Indians--Narcotics.