OKUDA, R.; HAGIWARA, E.; KATANO, T.; IKEDA, S.; SEKINE, A.; KITAMURA, H.; BABA, T.; OKUDELA, K.; OHASHI, K.; OGURA, T. Newly defined acute exacerbation of idiopathic pulmonary fibrosis with surgically-proven usual interstitial pneumonia: risk factors and outcome. Sarcoidosis vasculitis and diffuse lung disease, v. 36, n. 1, p. 39-46, 11 Mar. 2019.