Fig. 1.
Air conduction thresholds of the better ear of 4 patients of family PE at different ages. There is clear progression of the hearing loss for individuals III:2 and V:4. For all patients, mainly the mid and high frequencies are affected.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.