1. ″Ethnobotanist says life mission to save indigenous culture is native to Judaism″. Retrieved 2019-08-02. 2. ″Dr. Mark Plotkin on Ethnobotany, Real vs. Fake Shamans, Hallucinogens, and the Dalai Lamas of South America″. Retrieved 2020-09-30. 3. ″Coronavirus and Conservation: Preventing the Next Pandemic″. Retrieved 2020-04-20. 4. ″COVID is killing Indigenous leaders″. Retrieved 2020-08-11.
4. ″Ethnobotanist says life mission to save indigenous culture is native to Judaism″. Retrieved 2019-08-02. 5. ″Dr. Mark Plotkin on Ethnobotany, Real vs. Fake Shamans, Hallucinogens, and the Dalai Lamas of South America″. Retrieved 2020-09-30. 6. ″Coronavirus and Conservation: Preventing the Next Pandemic″. Retrieved 2020-04-20. 7. ″COVID is killing Indigenous leaders″. Retrieved 2020-08-11.
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