DMT: the Spirit Molecule : A Doctor's Revolutionary Research into the Biology of near-Death and Mystical Experiences by Rick Strassman (2000, Trade Paperback)
The Title is Dmt : the Spririt Molecule : A Doctors Revolutionary Research into the Biology of out-of-Body Near-Death and Mystical Experiences. In Strassman's volunteers, it consistently produced near-death and mystical experiences.