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Figure 2. The mean and standard deviation of the standardized uptake ratios in masticatory muscles for 11 subjects. (A) Comparison of the standardized uptake ratio among all masticatory muscles. Statistical significance was tested by a one-factor analysis of variance and the Games/Howell method (*p < 0.05). (B) Comparison of the standardized uptake ratio between the contralateral and ipsilateral muscles. Statistical significance was examined with Students t test (*p < 0.05). R = Right (Contralateral side); L = Left (Ipsilateral side); SUR = Standardized uptake ratio.