Effect and Mechanism of Endothelin Receptor A Inhibitor BQ-123 Combined with Electroacupuncture on Tibia Cancer Pain in Rats

Figure 1

Behavior and bone pain in sham operation and model rats. (a) Walking pain score (AS). (b) Mechanical pain threshold (MWT) value. (c) HE staining picture (×200). (d) Imaging images of the affected limb.

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