Fang, C., Q. Zhang, N. Wang, X. Jing, and Z. Xu. “Effectiveness and Tolerability of Methotrexate in Pulmonary Sarcoidosis: A Single Center Real-World Study”. Sarcoidosis Vasculitis and Diffuse Lung Disease, Vol. 36, no. 3, Sept. 2019, pp. 217-2, doi:10.36141/svdld.v36i3.8449.