title: First-in-man transapical mitral valve replacement using the Direct Flow Medical® aortic valve prosthesis.
authors.affiliation: Department of Cardiac Surgery, Heart Center Bonn, University Hospital Bonn, Bonn, Germany.
authors.forename: Fritz
authors.initials: F
authors.lastname: Mellert
authors.affiliation: Department of Medicine II, Heart Center Bonn, University Hospital Bonn, Bonn, Germany.
authors.forename: Jan-Malte
authors.initials: JM
authors.lastname: Sinning
authors.affiliation: Department of Medicine II, Heart Center Bonn, University Hospital Bonn, Bonn, Germany.
authors.forename: Nikos
authors.initials: N
authors.lastname: Werner
authors.affiliation: Department of Cardiac Surgery, Heart Center Bonn, University Hospital Bonn, Bonn, Germany.
authors.forename: Armin
authors.initials: A
authors.lastname: Welz
authors.affiliation: Department of Medicine II, Heart Center Bonn, University Hospital Bonn, Bonn, Germany.
authors.forename: Eberhard
authors.initials: E
authors.lastname: Grube
authors.affiliation: Department of Medicine II, Heart Center Bonn, University Hospital Bonn, Bonn, Germany georg.nickenig@ukb.uni-bonn.de.
authors.forename: Georg
authors.initials: G
authors.lastname: Nickenig
authors.affiliation: Department of Medicine II, Heart Center Bonn, University Hospital Bonn, Bonn, Germany.
authors.forename: Christoph
authors.initials: C
authors.lastname: Hammerstingl