Safe and reliable sound threshold measures with direct vibration of the ossicular chain

Marcus M. Maassen^*, Jesus Rodriguez Jorge, Stephan Herberhold, Reinhard Vonthein, Rainer Zimmermann, Ingo Baumann, Sibylle Brosch, Paul S. Mauz, Markus Pfister, Ilse M. Zalaman, Hubert Löwenheim, Hans P. Zenner