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.
Comparison of frequencies of SIV-specific T cells in the circulation and small intestine. Pie charts show the proportion of cells expressing 4, 3, 2 or 1 cytokine with maximum polyfunctionality shown in black followed by shades of grey. Arcs show individual cytokine combinations. IL-2 - red; IFN gamma - green; TNF-alpha - turquoise; IL-17 - blue.
