Research Article

[Retracted] Effects of Pulsed Radiofrequency on Nerve Repair and Expressions of GFAP and GDNF in Rats with Neuropathic Pain

Figure 1

Content of inflammatory factors: (a) the content of IL-1; (b) the content of TNF-α. The content of IL-1 and TNF-α is increased at 1, 3, 7, and 14 d after operation in group PS (), which is decreased progressively in group PR (). a vs. group C; b vs. group PS.
(a)
(b)