A planning system for transapical aortic valve implantation. - Michael Gessat; Denis R. Merk; Volkmar Falk; Thomas Walther; Stefan Jacobs 002; Alois Nöttling; Oliver Burgert (Image-Guided Procedures, 2009)

Localization and tracking of aortic valve prosthesis in 2D fluoroscopic image sequences. - Mohamed E. Karar; Claire Chalopin; Denis R. Merk; Stephan Jacobs; Thomas Walther; Oliver Burgert; Volkmar Falk (Image-Guided Procedures, 2009)

Aortic valve prosthesis tracking for transapical aortic valve implantation. - Mohamed E. Karar; Denis R. Merk; Claire Chalopin; Thomas Walther; Volkmar Falk; Oliver Burgert (Int. J. Comput. Assist. Radiol. Surg., 2011)

A simple and accurate method for computer-aided transapical aortic valve replacement. - Mohamed Esmail Karar; Denis R. Merk; Volkmar Falk; Oliver Burgert (Comput. Medical Imaging Graph., 2016)