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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Psychopharmacology (Berl). 2014 Apr 27;231(22):4291–4300. doi: 10.1007/s00213-014-3575-5

Fig. 2.

Fig. 2

Mean (±sem) time spent in seconds on the saline-paired floor and the MWD-paired floor for each pretreatment drug (VEH, 1 mg/kg AM251, 2.5 mg/kg AM251, 1 mg/kg AM4113, 2.5 mg/kg AM4113) during each 15-min test trial in experiment 2. Asterisks indicate a significant difference between the saline- and morphine withdrawal-paired floors. ***p<0.001