Cameli, Paolo, Elena Barbagli, and Paola Rottoli. 2016. “Exhaled Nitric Oxide Is Not Increased in Pulmonary Sarcoidosis”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases 33 (1): 39-40. https://mail.mattioli1885journals.com/index.php/sarcoidosis/article/view/4394.