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  Indian J Med Microbiol
 

Figure 1 Serum levels of IL-6 were significantly higher in patients with COPD compared with healthy controls. COPD, chronic obstructive pulmonary disease; IL-6, interleukin 6.

Figure 1 Serum levels of IL-6 were significantly higher in patients with COPD compared with healthy controls. COPD, chronic obstructive pulmonary disease; IL-6, interleukin 6.