Biological security of differentiation of human umbilical cord blood-derived mesenchymal stem cells into cardiomyocytes  
Huang Jing-ling, Yang Shui-xiang, Chen Yi-rong
Chinese Journal of Tissue Engineering Research . 2010, (27): 4988 -4992 .  DOI: 10.3969/j.issn.1673-8225.2010.27.011