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.
Bcl-2 expression in CD3+CD4+, follicular (CXCR5+), and extrafollicular (CXCR5) CD4+ T cells isolated from tonsils of subjects at low risk for HIV-1 infection before and after stimulation with phytohemagglutinin (PHA) and interleukin-2 (IL-2).
