PRIESTLAND, John; GREEN, Christopher; DE LA TORRE, Gabriel G.; WEAVER, Daniel. Letter to the Editor: PTSD, Psychedelics, Entity Encounters and the Precautionary Principle. Journal of Scientific Exploration, [S. l.], v. 39, n. 4, p. 574–576, 2025. DOI: 10.31275/20253807. Disponível em: https://www.journalofscientificexploration.org/index.php/jse/article/view/3807. Acesso em: 14 may. 2026.