D. H. M. Patel, 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”, Natl J Integr Res Med, vol. 3, no. 4, pp. 10–14, Oct. 2012.