Fig. 2.

Effect of ECC-BYF III on histopathological changes of COPD rats. A H&E staining of lungs from the different treatment groups (× 100). Bar: 200 μm. B Changes of MAN in different groups. C Changes of MLI in the different groups. The data are expressed as the mean ± SE, (n = 6). Animals are randomly selected. ^**P < 0.01 vs. the normal group; ^#P < 0.05 vs. the model group, ^##P < 0.01 vs. the model group