| Title | Ayahuasca: Human Consciousness and the Spirits of Nature |
| Publication Type | Book |
| Year of Publication | 1999 |
| Authors | Ralph Metzner, Ph. D., J. C. Callaway Ph. D., Charles S. Grob MD, and Dennis J. McKenna Ph. D. |
| Title | Ayahuasca: Human Consciousness and the Spirits of Nature |
| Publication Type | Book |
| Year of Publication | 1999 |
| Authors | Ralph Metzner, Ph. D., J. C. Callaway Ph. D., Charles S. Grob MD, and Dennis J. McKenna Ph. D. |