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. Author manuscript; available in PMC: 2010 Aug 11.
Published in final edited form as: Addict Biol. 2008 Dec 12;14(2):165–173. doi: 10.1111/j.1369-1600.2008.00141.x

Figure 1.

Figure 1

Mean session (A) and first (B) elevation scores (± 1 SEM) are shown for the acquisition phase. * denotes significant difference from corresponding saline elevation score.