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. 2017 Mar 28;7(3):e1076. doi: 10.1038/tp.2017.18

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Copyright © 2017 The Author(s)

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Mean cytokine concentration of TNFα (▪), IL-6 (♦) and IL-8 (•) in MP+LPS scans (n=8). The corresponding mean POMS score of fatigue is plotted on a secondary axis (▴). Error bars are shown as the standard deviation between subjects. IL, interleukin; LPS, lipopolysaccharide; MP, methylphenidate; POMS, Profile of Mood States; TNFα, tumor necrosis factor alpha.