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: TNF-α concentration in homogenate lung of all group after 4 days, 1 month and 3 months of intratracheal installation TiO2 in lung homogenate. B: TNF-α concentration in BALF of all group after 4 days, 1 month and 3 months of intratracheal installation TiO2 in BALF
