Annesi-Maesano, I., H. Nunes, and B. Duchemann, et al. “Epidemiology of Idiopathic Pulmonary Fibrosis in Europe – an Update”. Sarcoidosis, Vasculitis and Diffuse Lung Disease 30, no. Suppl 1 (September 1, 2013): 6–12. Accessed July 4, 2022. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/3091.