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. Author manuscript; available in PMC: 2009 Aug 1.
Published in final edited form as: Schizophr Res. 2008 Jun 11;103(1-3):161–168. doi: 10.1016/j.schres.2008.04.027

Figure 1. Mean Expired CO Levels (ppm) by Treatment and Week.

Figure 1

Sample size by week listed above for galantamine and placebo groups. Conover-Salsburg test for treatment differences in trend with time, F=0.53, df=1,37, p=0.47

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