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. 2011 Apr 25;6(4):e18681. doi: 10.1371/journal.pone.0018681

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Xie et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(A) Time course of changes in the withdrawl threshold of the ipsilateral hindpaw for control (n = 6, open circles) and CCD (n = 4, closed circles) rats. The mechanical threshold for withdrawl of the ipsilateral hindpaw was significantly lower in the chronically compressed rats (* P<0.05 or **P<0.01 compared with the average for the ipsilateral hindpaw of the control group). (B) Average ipsilateral and contralateral paw withdrawl thresholds for the control and CCD groups on the postoperative 5 days.