Real world experience on the effectiveness and safety of pirfenidone in patients with idiopathic pulmonary fibrosis in Taiwan oleh Cheng-Yu Chang, Cheng-Yu Chang, Yu-Feng Wei, Yu-Feng Wei, Chung-Yu Chen, Chung-Yu Chen, Yi-Chun Lai, Yi-Chun Lai, Po-Wei Hu, Po-Wei Hu, Jui-Chi Hung, Chi-Hsiang Chu, Hsin-Tzu Chuang, Shih-Chieh Chang, Shih-Chieh Chang, Shih-Chieh Chang