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.
Total and differential cell counts from bronchoalveolar lavage (BAL) fluid obtained prior to (pre) and following (post) antigen challenge in animals treated with saline, heparin vehicle (chlorocresol), heparin, LMWH or PGA following antigen challenge
