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.
(A) Serum levels of immunoglobulin production. (B) Cytokines production in BALF. Each value is expressed as mean ± SEM. n = 5–8. # P < 0.05, ## P < 0.005, ### P < 0.001 vs. OVA+PM2.5.
