FIG. 1.
Lung hematoxylin and eosin (H&E) stained slice showing regions of (a) inflammation and (b) normal tissue. Airways (*) and blood vessels (→) are visible.
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.