Blocking effect of vector-based small interfering RNA on tumor necrosis factor-alpha gene expression in human U937 cells 
Sun Ke-ning,Gao Xi-wu,Wang Zhen, Jin Qun-hua
Chinese Journal of Tissue Engineering Research . 2010, (30): 5635 -5638 .  DOI: 10.3969/j.issn.1673-8225.2010.30.030