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.

Galleries and Reading Room

From January 2026 Wellcome Collection will close at 18.00 on Thursdays.

We're running paid user research studies to improve Wellcome Collection online