Poletti, V., and S. Tomassetti. 2010. “Ultrasound Endoscopy (EBUS, EUS) As a Sophisticated Tool for Morphological Confirmation of Sarcoidosis: Do We Need to Find New Answers for an Old Quest?”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases 27 (1): 5-6. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/2561.