Weich, Hellmuth. “Balloon Aortic Valvuloplasty in the Era of Transcatheter Aortic Valve Implantation (TAVI): An Opportunity to Revisit a Previously Discouraged Treatment Option”. SA Heart Journal 9, no. 2 (April 3, 2017): 96–99. Accessed October 8, 2025. https://www.journals.ac.za/SAHJ/article/view/1851.