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. 2014 Jan 30;9(1):e87400. doi: 10.1371/journal.pone.0087400

Figure 5. The percentage of CD163, CD204 and CD206 positive cell in non-smoker, smoker and chronic obstructive pulmonary disease patient (COPD).

Figure 5

*: p<0.01 versus nonsmoker, smoker and stage I/II. The Global Initiative for Chronic Obstructive Lung Disease (GOLD) clinical criteria for the diagnosis and severity of COPD stage I: mild, II: moderate, III: severe, IV: very severe.