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Figure 3: Air bubble (arrow) in highly viscous hyaluronic acid formulation on round window membrane, impeding effective diffusion into the cochlea. Image courtesy of Prof. M. Suckfuell, Munich (Germany)

Figure 3: Air bubble (arrow) in highly viscous hyaluronic acid formulation on round window membrane, impeding effective diffusion into the cochlea. Image courtesy of Prof. M. Suckfuell, Munich (Germany)