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Figure 2: Effects of PM014 and dexamethasone on the histological morphology of lung tissue. Lung tissues were fixed, sectioned at a thickness of 4 μM, and stained with hematoxylin and eosin (H and E solution; magnification, ×100) (a). The evaluation of airspace changes by digital image analysis of H and E stained sections (b). Values are expressed as mean ± standard error of the mean. Statistical analysis was performed using oneway ANOVA followed by Newman–Keuls post hoc test. **P < 0.01, ***P < 0.001 
