Costabel, U. (2014) “Analysis of lung function and survival in RECAP: An open-label extension study of pirfenidone in patients with idiopathic pulmonary fibrosis”,
Sarcoidosis, Vasculitis and Diffuse Lung Diseases, 31(3), pp. 198–205. Available at:
https://mattioli1885journals.com/index.php/sarcoidosis/article/view/3222 (Accessed: 30 June 2025).