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. 2017 Apr 28;8:177. doi: 10.3389/fneur.2017.00177

Figure 2.

Figure 2

Original graphical demonstrations by Cawthorne of the third mobile window effect. (A) Demonstrates the effect of semicircular canal fenestration in otosclerosis with a fixed stapes footplate and two mobile windows and (B) third mobile window established via semicircular canal fenestration in a patient with a mobile stapes footplate.