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Figure 2. Change in sTNF{alpha}RII (top), ß2M (middle), and cortisol (bottom) from prewriting to postwriting for the experimental and control groups for the three laboratory sessions, expressed as mean ± standard error of the mean. sTNF{alpha}RII = soluble receptor for tumor necrosis factor-alpha; ß2M = ß2-microglobulin.