References
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- Yanagihara N, Aritomo H, Yamanaka E, Gyo K. Implantable hearing aid: Report of the first human applications. Arch Otolaryngol Head Neck Surg 1987; 113: 869–872
- Yanagihara N, Yamanaka E, Gyo K. Implantable hearing aid using an ossicular vibrator composed of a piezoelectric ceramic bimorph: Application to four patients. Am J Otol 1987; 8: 213–219