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.
Histopathological findings in the cigarette smoke-exposed group (Group II). (a) peribronchial inflammation (arrow) (H&E, ×20). (b) perivascular inflammation and vascular wall thickness (arrow) (H&E, ×20). (c) vascular wall thickness and calcification (arrow) (H&E, ×20). (d) parenchymal infiltration and fibrosis (arrow) (Masson's trichrome, ×20).
