CJCP     2022 24 (3):  249-254    ISSN: 1008-8830  CN: 43-1301/R Efficacy of plasma exchange in children with severe hemophagocytic syndrome: a prospective randomized controlled trial YUAN Yuan-Hong, ZHANG Hui, XIAO Zheng-Hui, ZHANG Xin-Ping, LU Xiu-Lan, XU Zhi-Yue, HE Jie, ZHU Li-Feng Emergency Center, Hunan Children's Hospital, Changsha 410007,China.) Received: 2021-10-26  Revised: null  Online: null Supporting info