求助三篇文献，谢谢！

yuheng

（1）FGF-4 increases in vitro expansion rate of human adult bone marrow-derived mesenchymal stem cells.  http://www.ncbi.nlm.nih.gov/pubmed/17852409  
; v: G/ P: U) O& }. G* l5 F（2）The role of growth factors in maintenance of stemness in bone marrow-derived mesenchymal stem cells.  
' ]! `$ Z# x; L/ c$ Z$ @2 a http://www.ncbi.nlm.nih.gov/pubmed/24491556# a  G7 N' q. k. T1 i
（3）Fibroblasts share mesenchymal phenotypes with stem cells, but lack their differentiation and colony-forming potential.
/ b% w, a: {1 G; Y) a0 t) Hhttp://www.ncbi.nlm.nih.gov/pubmed/21332447