MD, M. A. ., S. Bharati, BNYS, N. L, PhD, and M. NK, PhD. “Effect of Ice Massage to Head and Spine on Blood Pressure and Heart Rate Variability in Patients With Hypertension: A Pilot Study”. International Journal of Therapeutic Massage & Bodywork Research Education &Amp; Practice, vol. 14, no. 3, July 2021, pp. 22-26, doi:10.3822/ijtmb.v14i3.573.