Kreuter, Michael, et al. “Treatment and Outcome of Lung Cancer in Idiopathic Interstitial Pneumonias”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases, vol. 31, no. 4, Jan. 2015, pp. 266-74, https://mattioli1885journals.com/index.php/sarcoidosis/article/view/3612.