Cameli, Paolo, Elena Barbagli, and Paola Rottoli. “Exhaled Nitric Oxide Is Not Increased in Pulmonary Sarcoidosis”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases 33, no. 1 (March 29, 2016): 39–40. Accessed April 9, 2025. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/4394.