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. 2009 Nov 18;5:67. doi: 10.1186/1744-8069-5-67

Figure 4.

Figure 4

Mechanical pain development following pain injury. Spared nerve injury was operated by tightly ligating and transectioning the tibial and common peroneal nerves and leaving sural nerves intact. As shown here, the animals promptlly developed pain behavior that was determined by mechanical von Fray threshold.