Severe pneumonia in mycophenolate mofetil combined with low-dose corticosteroids-treated patients with immunoglobulin A nephropathy oleh Qi-Jun Wan, Hao-Fei Hu, Yong-Cheng He, Shao-Dong Luan, Hong-Tao Chen, Hong-Ping Liu, Tong Li, Yi Xu, Hui-Li Xu, Ying Liao