Figure 3.
Principal component analysis of differentially expressed protein spot volumes, identifying a component capable of segregating healthy smokers from smokers with stage 2 chronic obstructive pulmonary disease (COPD).
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.