Research Article

Yangyin Yiqi Mixture Ameliorates Bleomycin-Induced Pulmonary Fibrosis in Rats through Inhibiting TGF-1/Smad Pathway and Epithelial to Mesenchymal Transition

Figure 5

The secreted protein levels of TGF-β1, CTGF, interleukin 18, and hydroxyproline in each group of rats on days 14 and 28.
(a) TGF-β 1
(b) CTGF
(c) Interleukin 18
(d) Hydroxyproline