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.
Identification of N-acetyl-l-aspartate (NAA) and N-acetyl-l-histidine (NAH) in a phantom containing 10 mM of each, and shown in the MR spectral region between 1.880 to 2.102 ppm. In this phantom the NAA peak signal is at 2.006 ppm and the NAH peak signal at 1.963 ppm.
