链接:http://www.ncbi.nlm.nih.gov/pubmed/166357944 v8 f$ g/ H: G ]' c
标题:Direct comparison of umbilical cord blood versus bone marrow-derived endothelial precursor cells in mediating neovascularization in response to vascular ischemia& h4 \* D; p; I+ A
谢谢! 6 s3 H Y) J' j" n1 W