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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Neuropsychopharmacology. 2007 Jun 20;33(5):1179–1191. doi: 10.1038/sj.npp.1301479

Figure 1.

Figure 1

Selected visual analog scale ratings completed during sample sessions as a function of drug and dose. Data points represent the mean peak ratings ± 1 standard error of the mean (SEM). Filled symbols indicate significant differences from the placebo dose for that drug. (N=8)