“Analysis of lung function and survival in RECAP: An open-label extension study of pirfenidone in patients with idiopathic pulmonary fibrosis”, Sarcoidosis Vasc Diffuse Lung Dis, vol. 31, no. 3, pp. 198–205, Oct. 2014, Accessed: Jul. 01, 2024. [Online]. Available: https://mattioli1885journals.com/index.php/sarcoidosis/article/view/3222