Rubik, Beverly, and Harry Jabs. “Effects of Intention; Energy Healing and Mind-Body States on Biophoton Emission”. Cosmos and History: The Journal of Natural and Social Philosophy 13, no. 2 (March 25, 2017): 227–247. Accessed November 27, 2021. https://cosmosandhistory.org/index.php/journal/article/view/608.