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.
Semi-quantitative image analyses of airway epithelium. Total CLCA1-expressing areas of epithelia were determined with a computerized image analysis system as described in Methods for non-smokers (circles, n = 7), smokers without COPD (triangles, n = 7), and COPD patients (squares, n = 6). Group mean values are shown by horizontal lines. * p ≤ 0.05, ** p ≤ 0.01, Student’s t-test.
