Weich, H., J. van Wyk, L. Hofmeyr, and C. Vogts. “Transcatheter Aortic Valve in Mitral Annular Calcification (TAV-in-MAC): A New Treatment Option for Mitral Valve Replacement in Patients With Severe Annular Calcification”. SA Heart Journal, vol. 16, no. 2, July 2019, pp. 136-9, doi:10.24170/16-1-3643.