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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: Spine (Phila Pa 1976). 2013 Feb 1;38(3):217–222. doi: 10.1097/BRS.0b013e3182685ba1

Figure 1.

Figure 1

Mechanical allodynia in the forepaw as measured by the average number of responses to von Frey filament stimulation using 2g (A) and 4g (B) filaments. Forepaw allodynia is induced after facet joint distraction compared to baseline (*p<0.024) on the days after injury when tissue was harvested whereas sham responses are not changed from baseline.