Begum, A., S. Begum, J. Arzu, and M. R. K. Chowdhury. “Arterial Stiffness and Pulse Wave Velocity in Healthy People of Older Age Groups”. Journal of Bangladesh Society of Physiologist, vol. 13, no. 1, Aug. 2018, pp. 17-21, doi:10.3329/jbsp.v13i1.37844.