Effects of intravenous administration of human umbilical cord blood mononuclear cells on cardiomyocyte apoptosis and apoptosis genes bcl-2 and bax in rabbits after myocardial infarction  
Wang Tao, Yu Guo-long, Zhou Bo, Pan Wei, Qing Li-qiong
Chinese Journal of Tissue Engineering Research . 2010, (27): 5010 -5014 .  DOI: 10.3969/j.issn.1673-8225.2010.27.016