sci
hub

to open science
Schultes, Richard Evans; Swain, Tony . (1976). De Plantis Toxicariis e Mundo Novo Tropicale Commentationes XIII. Further Notes on Virola as an Orally Administered Hallucinogen. Journal of Psychoactive Drugs, 8(4), 317–324. doi:10.1080/02791072.1976.10471856 
10.1080/02791072.1976.10471856