An augmented reality overlay for navigated prostatectomy using fiducial-free 2D-3D registration. - Johannes Bender; Jeremy Kwe; Benedikt Höh; Katharina Böhm; Ivan Platzek; Angelika Borkowetz; Stefanie Speidel; Micha Pfeiffer (Int. J. Comput. Assist. Radiol. Surg., 2025)