TY - JOUR AU - Kempfert, Jörg AU - Rastan, Ardawan AU - Holzhey, David AU - Linke, Axel AU - Schuler, Gerhard AU - Mohr, Friedrich Wilhelm AU - Walther, Thomas PY - 2012 TI - The learning curve associated with transapical aortic valve implantation JF - Annals of Cardiothoracic Surgery; Vol 1, No 2 (July 26, 2012): Transapical Aortic Valve Implantation Y2 - 2012 KW - N2 - UR - https://www.annalscts.com/article/view/493