Extracellular Vesicles Released from Human Umbilical Cord-Derived Mesenchymal Stromal Cells Prevent Life-Threatening Acute Graft-Versus-Host Disease in a Mouse Model of Allogeneic Hematopoietic Stem Cell TransplantationLi Wang, Chunji Gao, Yonghui Li et al.|Stem Cells and Development|2016Cited by 149