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.
Time course of serum cytokine protein levels after LT treatment. Mice were injected i.p. with 1.0 ml of PBS or LT (TOX; 100 μg PA + 100 μg LF). ELISA determinations were done on sera pooled from three to five mice for each time point and treatment.
