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. 2012 Mar 31;12:40. doi: 10.1186/1471-2288-12-40

Figure 1.

Figure 1

Concentrations of CRP and SAA measured by the two analytical assays (nephelometry and ELISA) in COPD patients and healthy controls. Panel a) CRP by nephelometry. Panel b) CRP by ELISA. Panel c) SAA by nephelometry. Panel d) SAA by ELISA.