Plasma exchange alone versus combination with intravenous immunoglobulin/methylprednisolone pulse therapy in severe systemic rheumatic diseases: a retrospective study - Guo, Jing; Li, Shuiwen; Xu, Hao; Wang, Xinxin; Luo, Weiyuan; Sun, Jie; Li, Jianhua; Chen, Zhu; Lu, Guiyang; Huang, Xiaolong; Chen, Shiju; Ning, Yaogui (Frontiers in Immunology, 2024)