What's going on 造血器腫瘍 1)Human mesenchymal stem cells modulate allogeneic immune cell responses. Aggarwal S, Pittenger MF. Blood. 2005;105:1815-22. PMID:15494428. 2)Treatment of severe acute graft-versus-host disease with third party haploidentical mesenchymal stem cells. Le Blanc K, Rasmusson I, Sun