[9] Griffiths RR, Richards WA, McCann U, Jesse R. 2006. Psilocybin Can Occasion Mystical-type Experiences Having Substantial and Sustained Personal Meaning and Spiritual Significance, in Psychopharmacology 187:268-283. Available online at: http://www.hopkinsmedicine.org/Press_releases/2006/GriffithsPsilocybin.pdf.
[10] McKenna DJ. 2005. Ayahuasca and Human Destiny, in Journal of Psychoactive Drugs 37, 2; pp. 231. Available online at: http://rixonology.files.wordpress.com/2008/03/ayahuasca-human-destiny.pdf.
[11] see Othmer S, Othmer S. 2006. Interhemispheric EEG Training: Clinical Experience and Conceptual Models, in Evans JR, Ed, Handbook of Neurofeedback. The Haworth Press. Other materials available from The EEG Institute, online at: http://www.eeginfo.com/research/
[12] White N. 1995. Alpha-Theta Training for Chronic Trauma Disorder, A New Perspective, in The Journal of Mind Technology and Optimal Performance, 1995, Mega Brain Report. Vol. II, No. 4. Available online at: http://www.enhancementinstitute.com/neuropublished.html
[13] Riba J, Romero S, Grasa E, Mena E, CarrioÌ I, Barbanoj MJ. 2006. Increased Frontal and Paralimbic Activation Following Ayahuasca, the Pan-Amazonian Inebriant, in Psychopharmacology, 186(1):93-98. Available online at: http://www.springerlink.com/index/00177314X5326N07.pdf
[14] Author unknown. Taken from: Potion to Protect The Innocence of a Child, available online at: http://magic-spells-and-potions.com/modules.php?name=News&file=article&sid=92.