Pretorius, Izak Stefanus, Ntuthuko Lona Ntutuka, Paul Hattingh, Cornelia de Klerk, and Modisenyane Mongane. “The Incidence of Head and Neck Cancer in Interventional Cardiologists”. SA Heart Journal 21, no. 1 (April 5, 2024): 66–69. Accessed October 27, 2025. https://www.journals.ac.za/SAHJ/article/view/6382.