Chu, M W A; Falk, V; Mohr, F W; Walther, T (2011). Percutaneous endoscopic transapical aortic valve implantation: three experimental transcatheter models. Interactive Cardiovascular and Thoracic Surgery, 13(3):251-256.
Kempfert, J; Blumenstein, J; Chu, M W A; Pritzwald-Stegmann, P; Kobilke, T; Falk, V; Mohr, F W; Walther, T (2009). Minimally invasive off-pump valve-in-a-ring implantation: the atrial transcatheter approach for re-operative mitral valve replacement after failed repair. European Journal of Cardio-Thoracic Surgery, 35(6):965-969.