Mirsaeidi, Mehdi, Hesham R. Omar, Robert Baughman, Roberto Machado, and Nadera Sweiss. 2016. “The Association Between BNP, 6MWD Test, DLCO% and Pulmonary Hypertension in Sarcoidosis”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases 33 (4): 317-20. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/4966.