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. 2009 Apr 15;4:149–156. doi: 10.2147/copd.s5018

Figure 2.

Figure 2

Bland–Altman plots for a) IL-6, b) CRP and c)TNFα collected with a one year interval. The dotted lines represent the mean difference ± 2 SD.

Abbreviations: CRP, C-reactive protein; IL, interleukin; TNFα, tumor necrosis factor-α.