M Keppel Hesselink Jan, Transformative Psychopharmacology: the Case of 5-Methoxy-N,N-Dimethyltryptamine, International Journal of Psychotherapy Practice and Research, Volume 1, Issue 3, 2019, Pages 9-15, ISSN 2574-612X, https://doi.org/10.14302/issn.2574-612X.ijpr-18-2503. (https://openaccesspub.orgijpr/article/949) Keywords: 5-MeO-DMT; DMT; Ayahuasca; healing; transpersonal; pharmacology; postmodern medicine.