A. Jansen van Rensburg, D. Janse van Rensburg, H. van Buuren, C. Grant, and L. Fletcher, “The use of negative pressure wave treatment in athlete recovery”, SA J Sports Med, vol. 29, no. 1, pp. 1–7, Oct. 2017, doi: 10.17159/2078-516X/2017/v29i1a2929.