β2-microglobulin as a biomarker of pulmonary fibrosis development in COPD patients
Figure 5.Immunohistochemical staining quantitative traits of lung tissue from rats. This figure means quantified Figure 4. Every Each individual bar chart is factor immunohistochemical staining quantitative traits of lung tissue from rats. Factors including: β2M, TGF-β1, Smad4, a-SMA, col1, col3. P<0.05 represents difference is significant.