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.
Local variations of magnitude of (A) fundamental and (B) second harmonic components corresponding to artery images in Fig 3 are presented in false color maps. (C) Maps for fundamental to second harmonic magnitude ratio obtained from (A) and (B). Color bars in (C) indicate percentage of ratio.
