An official website of the United States government
Here's how you know
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.
Figure 3. Serum levels of interleukin-6 (IL-6) and cathepsin B activity. Control refers to healthy patient. Disc degeneration refers to patient with intervertebral disc degeneration. Fracture refers to patient with spine fracture.