Figure 2.
Linear regression plot of interferon-γ concentration in (A) tuberculosis (TB) antigen–nil vs. TB1-nil, (B) TB antigen–nil vs. TB2-nil, and (C) TB1-nil vs. TB2-nil. QFT-PLUS, QuantiFERON-TB Gold Plus.
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.