van den Berg, L., M. Nel, D. Brand, J. Bosch, W. Human, S. Lawson, and C. Walsh. “Agreement Between Measured Height, and Height Predicted from Ulna Length, in Adult Patients in Bloemfontein, South Africa”. South African Journal of Clinical Nutrition, Vol. 29, no. 3, Apr. 2016, pp. 10-15, http://sajcn.redbricklibrary.com/index.php/SAJCN/article/view/1090.