Mid-term Outcome of TA-TAVI for Aortic Stenosis and Porcelain Aorta and a Systematic Review: TF or TA-TAVI for Aortic Stenosis and Porcelain Aorta? - Useini, D.; Haldenwang, P.; Schlömicher, M.; Taghiyev, Z.; Moustafine, V.; Christ, H.; Bechtel, M.; Strauch, J. (The Thoracic and Cardiovascular Surgeon, 2018)