链接:http://www.ncbi.nlm.nih.gov/pubmed # m3 B1 \1 T5 E( x% C& Z题名:Human mesenchymal stem cells xenografted directly to rat liver are differentiated into human hepatocytes without fusion. % i- M7 c) N' z机构:Blood. 2005 Jul 15;106(2):756-63. Epub 2005 Apr 7.