fig4
![Increased circulating rather than spinal cytokines accompany chronic pain behaviors in experimental bone cancer and arthritis](https://image.oaes.cc/db18dd9a-ecce-4bff-8d30-a57455735c15/92.fig.4.png)
Figure 4. Plasma cytokines in joint inflammation and bone cancer (n = 9-11). Statistical differences: *P < 0.05 and **P < 0.01. CFA: complete freund adjuvant; PBS: phosphate buffer saline; IL: interleukin; IFN: interferon; TNF: tumor necrosis factor