title: Conventional Aortic Valve Replacement: Standard Therapy in the 1990s and the Development of Minimally Invasive Approaches.
authors.affiliation: Department of Cardiac Surgery, Kerckhoff Heart Center, Bad Nauheim, Germany.
authors.forename: Thomas
authors.initials: T
authors.lastname: Walther
authors.affiliation: Department of Cardiac Surgery, University Aachen, Aachen, Germany.
authors.forename: Rüdiger
authors.initials: R
authors.lastname: Autschbach