Growth and proliferation of bone marrow mesenchymal stem cells through in vitro culture of Zinc, basic fibroblast growth factor alone or their combination  
Ren Li-jie, Wang Yang, Han Man-fu
Chinese Journal of Tissue Engineering Research . 2010, (27): 5023 -5027 .  DOI: 10.3969/j.issn.1673-8225.2010.27.019