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. Author manuscript; available in PMC: 2018 Mar 6.
Published in final edited form as: Neuroscience. 2017 Jan 1;344:67–73. doi: 10.1016/j.neuroscience.2016.12.038

Fig. 4.

Fig. 4

Reinstatement of morphine-induced CPP. Two days after the extinction of morphine-induced CPP, mice whose CPP data are shown in figure 2 received 2.5 mg/kg morphine or saline. Results are mean ± S.E.M. (n = 8 − 13). * P < 0.05 compared with mice receiving saline.