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.
Study design
Multiple intratracheal administrations were performed every other day. Bronchoalveolar lavage fluid (BALF) test at 3 d post-dose, BALF analysis and pathological examination at 28 d post-dose, and pathological examination at 91 d post-dose were performed. The control groups (untreated-control and vehicle-control groups) corresponding to each autopsy period were established.
