Poglajen, Gregor, Matevž Harlander, and Borut Geršak. “Ex Vivo Study of Altered Mitral Apparatus Geometry in Functional Mitral Regurgitation”. The Heart Surgery Forum 13, no. 3 (June 9, 2010): E172-E176. Accessed December 2, 2020. https://journal.hsforum.com/index.php/HSF/article/view/587.