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.
Linear regression fits (with 95% CIs) to normalized chirp CAP (A), click CAP (B), and CEOAE (C) level-series functions. Effective attenuation (D) was calculated as the abscissa (horizontal) difference between linear fits to without and with CAS group data.
