Yangyin Yiqi Mixture Ameliorates Bleomycin-Induced Pulmonary Fibrosis in Rats through Inhibiting TGF-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:mtext mathvariant="bold">β</mml:mtext></mml:mrow></mml:math>1/Smad Pathway and Epithelial to Mesenchymal Transition
Evidence-based complementary and alternative medicine