Kruger, FC, CR Daniels, M Kidd, G Swart, K Brundyn, C van Rensburg, and M Kotze. 2011. “APRI: A Simple Bedside Marker for Advanced Fibrosis That Can Avoid Liver Biopsy in Patients With NAFLD/NASH”. South African Medical Journal 101 (7):477-80. https://www.ajol.info/index.php/samj/article/view/69769.