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.
NDGs were isolated from the blood of HIV+ patients (n = 21) as described in materials and methods and the expression levels of phenotypic markers were determined by flow cytometry. Correlation between CD4+ T cell counts and phenotypic markers was determined by a Spearman's rank test.
