- Radial artery tonometry demonstrates arterial stiffness in children with type 1 diabetes. Haller, M.J., Samyn, M., Nichols, W.W., Brusko, T., Wasserfall, C., Schwartz, R.F., Atkinson, M., Shuster, J.J., Pierce, G.L., Silverstein, J.H. Diabetes Care (2004)