Patel, D. H. M., D. R. G. Kathrotia, D. N. R. Pathak, and D. H. A. Thakkar. “Effect Of Relaxation Technique On Blood Pressure In Essential Hypertension.: Effect of Relaxation Technique on BP in Essential Hypertension”. National Journal of Integrated Research in Medicine, vol. 3, no. 4, Oct. 2012, pp. 10-14, http://nicpd.ac.in/ojs-/index.php/njirm/article/view/2060.