Interleukin-9 promotes EMT-mediated PM2.5-induced pulmonary fibrosis by activating the STAT3 pathway - Yuxuan Li; Yi Zhong; Chenwen Li; Zhixia Han; Yan Cui; Renjiang He; Yingyi Liu; Qinlin Cui; Daping He; Zhengquan Hu; Qingbi Zhang; Jun Bai (Archives of Toxicology, 2024)