Figure 1From: Mechanisms involved in extraterritorial facial pain following cervical spinal nerve injury in rats Time-course change in head withdrawal threshold to mechanical stimulation of the lateral facial skin ipsilateral to CNX or Sham operation (A) and head withdrawal latency to heat stimulation of the lateral facial skin ipsilateral to CNX or Sham-operation (B) in CNX or Sham rats. *: p < 0.05, **: p < 0.01 (vs. Sham).Back to article page