Phase III clinical trial results with the Vibrant Soundbridge implantable middle ear hearing device: A prospective controlled multicenter study - Luetje, C M; Brackman, D; Balkany, T J; Maw, J; Baker, R S; Kelsall, D; Backous, D; Miyamoto, R; Parisier, S; Arts, A (Otolaryngol Head Neck Surg, 2002)