. 2012 Feb 19;2012:647271. doi: 10.5402/2012/647271
Copyright © 2012 Emanuele Ferri et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 2.
Hearing recovery according to Siegel's criteria.