题目:Intravenous administration of marrow stromal cells(MSCs)increases the expression of growth factors in rat brain after traumatic brain injury % _6 o0 t# i6 n2 P+ I& y1 b m" I4 h5 P6 Shttp://www.liebertonline.com/doi/abs/10.1089/0897715047726959221 L# v+ J1 E C: J