Vibrant Soundbridge and Bonebridge: Bilateral Application in a Child with Bilateral Congenital Ear Canal Atresia - de Wolf, M. J. F.; Agterberg, M. J. H.; Snik, A. F. M.; Mylanus, E. A. M.; Hol, M. K. S.; Hempel, J. M. (Current Trends in Medicine and Medical Research Vol. 3, 2019)