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. 2020 Feb 25;15:397–407. doi: 10.2147/COPD.S234760

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© 2020 Wu et al.

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Comparison of serum endostatin and CRP between different stable COPD patients. Circulating endostatin (A) and CRP (B) were significantly higher in the FE group compared to the non-FE group.

Abbreviations: FE, frequently exacerbation; CRP, C-reactive protein.