Choi Test for Cold Allodynia

JX Jingyu Xu
ZG Zhenbiao Guan
XW Xiaowei Wang
DS Dazhi Sun
YL Yongjin Li
BP Bei Pei
YL Ye Lu
LY Liangxi Yuan
XZ Xuan Zhang
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Cold sensitivity of the rat hindpaw to acetone was quantified by paw withdrawal frequency, as described previously. In brief, a 100 μL drop of acetone was added to the center of the plantar surface of the paw. Acetone was added to each paw a total of 5 times with a 5-min interval. The number of brisk paw withdrawals accompanied by nocifensive behaviors was recorded.

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