The Shipibo Ceremonial Use of Ayahuasca to Promote Well-Being: An Observational Study oleh Debora Gonzalez, Debora Gonzalez, Debora Gonzalez, Jordi Cantillo, Irene Perez, Maria Carvalho, Adam Aronovich, Magi Farre, Magi Farre, Amanda Feilding, Amanda Feilding, Jordi E. Obiols, José Carlos Bouso, José Carlos Bouso, José Carlos Bouso