Allogeneic bone marrow mesenchymal stem cells for the treatment of diabetic foot ulcers in rats and vascular endothelial growth factor expression  
Cai Qian, Dong Fang, Liu Yi
Chinese Journal of Tissue Engineering Research . 2010, (36): 6733 -6737 .  DOI: 10.3969/j.issn.1673-8225.2010.36.019