Chilosi, M., C. Doglioni, and B. Murer, et al. “Epithelial Stem Cell Exhaustion in the Pathogenesis of Idiopathic Pulmonary Fibrosis”. Sarcoidosis, Vasculitis and Diffuse Lung Disease 27, no. 1 (June 1, 2010): 7–18. Accessed July 4, 2022. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/2562.