title: A preliminary report on a multiple-channel cochlear implant operation.
mesh_terms: D001309:Auditory Threshold; D003051:Cochlea / Q000601:surgery; D004558:Electric Stimulation / Q000295:instrumentation / Q000379:methods*; D004567:Electrodes, Implanted; D006801:Humans; D008144:Loudness Perception; D008297:Male; D008875:Middle Aged; D010897:Pitch Discrimination; D019736:Prostheses and Implants; D013060:Speech