7Gstoettner W, Kiefer J, Baumgartner W, et al. Hearing preservation in cochlear implantation for electric acoustic stimulation. Acta Otolaryngol, 2004, 124(4): 348-352.
8Lehnhardt E. Intracochlear placement of cochlear implant electrodes in soft surgery technique. HNO, 1993, 41 (7): 356-359.
9yon Ilberg C, Kiefer J, Tillein J, et al. Electric-acoustic stimulation of the auditory system. New technology for severe hearing loss. ORL J Otorhinolaryngol Relat Spec, 1999, 61 (6): 334-340.
10Adunka O, Kiefer J, Unkelbach MH, et al. Development and evaluation of an improved ochlear implant electrode design for electric acoustic stimulation. Laryngoscope, 2004, 114(7): 1237-1241.