title: [The contribution of transthoracic impedance cardiography to determine the optimal AV interval in patients with dual chamber stimulation. One way to improve cardiac hemodynamics].
authors.affiliation: Abetilung für Kardiologie/Angiologie der Klinik und Poliklinik I des Zentrums für Innere Medizin der Universität Leipzig, Johannisallee 32, 04103, Leipzig.
authors.forename: H J
authors.initials: HJ
authors.lastname: Kolb
authors.forename: U
authors.initials: U
authors.lastname: Pluta
authors.forename: D
authors.initials: D
authors.lastname: Pfeiffer