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. Author manuscript; available in PMC: 2009 Jun 5.
Published in final edited form as: Brain Res. 2008 Apr 8;1213:41–47. doi: 10.1016/j.brainres.2008.03.053

Figure 2.

Figure 2

Effect of unilateral, intrastriatal 6-OHDA adminstration on Formalin-induced facial scratching. A: Time course of facial scratching and grooming represented in blocks of 3-minute intervals after the Formalin was injected into the upper lip. The duration of Phase 1, 2 and 3 are indicated brackets above different data points. B. Averaged facial scratching and grooming during Phase 1, 2 and 3 after Formalin was injected into the upper lip. Data are presented as the mean ± se; (* = p< 0.05, t-test.)