Schwertz Hansjörg, Prondzinsky Roland, Hofmann Hans-Stefan, Silber Rolf-Edgar, Werdan Karl, Buerke Michael
Dpartment of Medicine III, Cardiology, Angiology, Intensive Care Medicine, Martin-Luther University, Ernst-Grube-Strasse 40, 06097 Halle/Saale, Germany.
J Am Soc Echocardiogr. 2005 Mar;18(3):278-9. doi: 10.1016/j.echo.2004.10.026.