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Figure 4. Effects of mental stress on hemodynamics of the masseter muscle. OxyHb, oxygenated hemoglobin; DeoxyHb, deoxygenated hemoglobin; TotalHb, total haemoglobin (OxyHb + DeoxyHb); StO2, tissue blood oxygen saturation (OxyHb/TotalHb x 100); MST, mental stress task. Ordinates: values normalized to the maximum of measurements from the 6 analyzed periods (Rest1, Rest2, and MST1-4). Data are expressed as means ± SEM (standard error of the mean) (n = 12).  p < 0.1, ** p < 0.01, *** p < 0.001 (Scheffé).
J DENT RES, Vol. 83, No. 3,
227-231 (2004)
DOI: 10.1177/154405910408300308
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