Figure 2.
N/L ratio in sarcoidois patients in chest X-ray stages 0 and 1 were grouped together, as were patients in stages 2, 3 and 4
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.