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Journal of Psychopharmacology (Oxford, England)|July 3, 2008
Human hallucinogen research: guidelines for safetyMw Johnson, Wa Richards, Rr GriffithsJournal of Psychopharmacology (Oxford, England)|July 3, 2008
Mystical-type experiences occasioned by psilocybin mediate the attribution of personal meaning and spiritual significance 14 months laterRr Griffiths, Wa Richards, Mw Johnson, et al.Pageof 1