title: Implantable hearing aids.
mesh_terms: D000669:Amplifiers, Electronic; D001299:Audiometry; D001309:Auditory Threshold; D003638:Deafness / Q000628:therapy*; D006310:Hearing Aids / Q000295:instrumentation*; D006801:Humans; D019736:Prostheses and Implants; D014159:Transducers