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.
Principal component analysis of GC-MS measured metabolites from pre- and postmenopausal women. (a) NAF metabolite data for all samples (N = 8); (b) loadings of the PCA described in (a); (c) plasma metabolite data for all samples (N = 8). All data are log transformed and mean centered.
