Browsing by Subject "Indians, South American"
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Yopo, ethnicity and social change: a comparative analysis of Piaroa and Cuiva yopo uset.
(Journal of psychoactive drugs, 2011-01)Most Orinocoan ethnic groups, including the Cuiva and the Piaroa, use yopo, a hallucinogenic snuff derived from the seeds of the Anadenanthera peregrina tree. This study contrasts Piaroa and Cuiva attitudes toward and uses ...
