Amer, M. S., T. T. A. Rahman, N. N. Adly, and H. I. Hassanin. “Link Between Distal Sensory Polyneuropathy, Insulin-Like Growth Factor-I and Bone Mineral Density in Elderly Diabetics”. International Journal of Research in Medical Sciences, vol. 2, no. 2, Jan. 2017, pp. 409-14, https://www.msjonline.org/index.php/ijrms/article/view/2164.