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.
Histological sections of rat lungs. (A) Normal aspect in an animal from group PS/PS. (B,D) Marked oedema of the adventitia of the pulmonary arteries (*) in animals from groups PS/PNTS and F(ab′)2/PNTS, respectively. (C) Slight oedema of the adventitia of the pulmonary arteries (*) of an animal from group IVIG/PNTS. (Haematoxylin–eosin, × 300.)
