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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Pain. 2015 Dec;156(12):2562–2571. doi: 10.1097/j.pain.0000000000000365

Fig. 3.

Fig. 3

Conditioned place preference in chronic constriction injury (CCI) rats. (A–C) Time spent in each chamber during the baseline and the test period in the CCI-Bupivacaine group (A), CCI-PBS group (B), and Sham CCI-Bupivacaine group (C). (D) The Difference Score for the drug-paired chamber. (E) The Difference Score for the PBS-paired chamber. (F) The Time Preference Score during the baseline and the test period. The results are expressed as mean and standard deviation. CCI-Bup = CCI-bupivacaine group; Sham-Bup = Sham CCI-Bupivacaine group.