Henning, E., H.C. Terblanche, M. Kleynhans, D. Crafford, P. Wood, C. Grant, and P.J. du Toit. “Comparing Cardio Stress Index Between Sedentary and Active Populations”. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt; 33, no. 1 (September 18, 2014): 1 bladsy. Accessed December 22, 2024. http://satnt.co.za/index.php/satnt/article/view/525.