POLETTI, V.; EGAN, J. Classification, natural history and staging of idiopathic pulmonary fibrosis. Sarcoidosis, Vasculitis and Diffuse Lung Diseases, Fidenza, Italy, v. 30, n. Suppl 1, p. 13–20, 2013. Disponível em: https://mail.mattioli1885journals.com/index.php/sarcoidosis/article/view/3092. Acesso em: 21 aug. 2025.