TY - JOUR AU - Mohr, Friedrich W. AU - Misfeld, Martin PY - 2013 TI - Preface JF - Annals of Cardiothoracic Surgery; Vol 2, No 6 (November 2013): Minimally invasive mitral valve surgery Y2 - 2013 KW - N2 - UR - http://www.annalscts.com/article/view/2877