求助文献两篇

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1.   Hematopoietic stem cell origin of mesenchymal cells: opportunity for novel therapeutic approaches.
6 J3 L9 f+ r' w$ E链接：http://www.ncbi.nlm.nih.gov/pubmed/20336396* n/ j6 B4 q6 Z; X) L3 J( b* o: d
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2.   Hematopoietic stem cell origin of connective tissues.5 e" H* S0 l7 B$ V0 Z/ M6 x3 n% G
链接：http://www.ncbi.nlm.nih.gov/pubmed/20412832

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第二篇
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