Manali, Effrosyni D. “Challenges in the Classification of Fibrotic ILD: Patient Case 1”. Sarcoidosis, Vasculitis and Diffuse Lung Disease 32, no. 1S (August 3, 2015): 10–12. Accessed July 4, 2022. https://www.mattioli1885journals.com/index.php/sarcoidosis/article/view/4695.