Doubell, Anton F., J. Swanevelder, H. Weich, and P. Herbst. “3D Image of Inoue Balloon Inflation During Mitral Valvuloplasty”. SA Heart Journal 6, no. 3 (April 13, 2017): 188–189. Accessed March 11, 2026. https://www.journals.ac.za/index.php/SAHJ/article/view/1988.