Electrical auditory stimulation in the management of profound hearing loss : report to the Department of Health and Social Security on visits in October 1977 to centers in the U. S. A. involved in cochlear implant prostheses / by John C. Ballantyne, Edward F. Evans, and Andrew W. Morrison.

  • Ballantyne, John C. (John Chalmers)
Date:
1978
  • Books