Hallucinogenic plant use and related indigenous belief systems in the ecuadorian amazon

“Ayahuasca,” the South American hallucinogenic drink: An ethnobotanical and chemical investigation

Laurent Rivier, Jan‐Erik Lindgren · Economic Botany · 1972 · 173 citations

Medicine, Anthropology, Pharmacology +2

The antiquity and importance of long‐distance trade relationships in the moist tropics of pre‐Columbian South America

Donald W. Lathrap · World Archaeology · 1973 · 161 citations

Humanities, Botany, History +17

Early Formative Period of Coastal Ecuador: The Valdivia and Machalilla Phases

Betty J. Meggers, C H Evans, Emilio Estrada · Smithsonian contributions to anthropology · 1965 · 139 citations

Natural Sciences, Geography, Coastal Geography +9

<i>Early Formative Period of Coastal Ecuador: The Valdivia and Machalilla Phases</i>. By Betty J. Meggers, Clifford Evans, and Emilio Estrada.

Henning Bischof · American Journal of Archaeology · 1967 · 72 citations

Humanities, Area Studies, History +6

Ethnopharmacologic Search for Psychoactive Drugs

Walter Modell · Clinical Pharmacology & Therapeutics · 1968 · 49 citations

Medicine, Pharmacology, Psychiatry +13