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.
Study design.
Notes: Thirty-four COPD patients; 2-week run-in period; then bronchoscopy and airway biopsy; then patients randomized 2:1 by research nurses into receiving fluticasone propionate or placebo for 6 months by using a computer-generated random-numbers table; bronchoscopy and airway biopsy then repeated.
Abbreviation: COPD, chronic obstructive pulmonary disease.
