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. 2014 Oct 13;4:6605. doi: 10.1038/srep06605

Figure 3. Effects of morphine, methadone, ketamine, methamphetamine, agmatine, harmane and clonidine in rats trained to discriminate between 10 mg/kg CR4056 (i.p) and vehicle using a two-lever food-reinforced procedure.

Figure 3

See Figure 1 for other details.