Odes, Edward J., Patrick S. Randolph-Quinney, Maryna Steyn, Zach Throckmorton, Jacqueline S. Smilg, Bernhard Zipfel, Tanya N. Augustine, Frikkie de Beer, Jakobus W. Hoffman, Ryan D. Franklin, and Lee R. Berger. “Earliest Hominin Cancer: 1.7-Million-Year-Old Osteosarcoma from Swartkrans Cave, South Africa”. South African Journal of Science 112, no. 7/8 (July 28, 2016): 5. Accessed March 3, 2024. https://sajs.co.za/article/view/3566.