Real-world therapeutic performance of pirfenidone for connective tissue disease-associated interstitial lung diseases

Xueting Yuan, Chen Yu, Shengyun Liu, Qiang Shu, Xinwang Duan, Lin Tang, Liying Peng, Shuang Zhou, Chanyuan Wu, Jiuliang Zhao, Dong Xu, Lan Song, Hui Huang, Mengtao Li, Yanhong Wang, Qian Wang, Xiaofeng Zeng