Ungprasert, P., C. S. Crowson, E. M. Carmona, and E. L. Matteson. “Outcome of Pulmonary Sarcoidosis: A Population-Based Study 1976-2013”. Sarcoidosis Vasculitis and Diffuse Lung Disease, Vol. 35, no. 2, July 2018, pp. 123-8, doi:10.36141/svdld.v35i2.6356.