Effects of human bone marrow mesenchymal stem cell transplantation on cognitive ability and hippocampus ultrastructure in Alzheimer’s disease rats
He Wei, Bo Hai, Mu Xin-hong, Zhang Ling, Li Hai-sheng 
Chinese Journal of Tissue Engineering Research . 2010, (40): 7453 -7457 .  DOI: 10.3969/j.issn.1673-8225.2010.40.010