CJCP     2007 9 (6):  610-610    ISSN: 1008-8830  CN: 43-1301/R A case report to macrophage activation syndrome complicated by systemic onset juvenile idiopathic arthritis ZHAO Yu, CAO Lan-Fang. Department of Pediatrics, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200001, China Received: null  Revised: null  Online: null Supporting info