Nishiyama, O., H. Taniguchi, and Y. Kondoh, et al. 2012. “Health-Related Quality of Life Does Not Predict Mortality in Idiopathic Pulmonary Fibrosis”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases 29 (2): 113-18. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/2505.