Establishment of osteosarcoma cell models: effects of NS-398 on invasive ability of MG-63 cells under hypoxic condition 
Wang Yi-fan, Xu Yong-tao
Chinese Journal of Tissue Engineering Research . 2015, (40): 6408 -6412 .  DOI: 10.3969/j.issn.2095-4344.2015.40.003