Koyama, S., and K. Murakami. “Massive Pleural Effusion and Bronchopleural Fistula in Wegener’s Granulomatosis”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases, vol. 27, no. 1, June 2010, pp. 76-79, https://mattioli1885journals.com/index.php/sarcoidosis/article/view/2571.