CJCP     2015 17 (8):  869-872    ISSN: 1008-8830  CN: 43-1301/R Therapeutic effects of human umbilical cord mesenchymal stem cell transplantation on acute graft versus host disease ZHENG Ying, WANG Yi, ZHAI Zong, et al Department of Hematology & Oncology, Children's Hospital Affiliated to Soochow University, Suzhou, Jiangsu 215003, China Received: 2014-11-01  Revised: 2015-01-15  Online: null Supporting info null