G, J., D. G, S. Hegde, and S. C. “Heart Rate Variability During Meditation in Pranic Healers: Heart Rate Variability During Meditation in Pranic Healers”. National Journal of Integrated Research in Medicine, vol. 2, no. 4, Dec. 2011, pp. 113-6, doi:10.70284/njirm.v2i4.1953.