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.
(a) ROC analysis assessing the diagnostic accuracy of contrast-enhanced ultrasound (CEUS) parameters, wash-in time and wash-out time; (b) ROC analysis assessing the diagnostic accuracy of significant parameters of the four techniques—B-mode, Doppler, CEUS, and elastography.
