Effects of four species of metal alloys on the expression of Bcl-2 and Bax in human gingival fibroblast cells
Liu Ting, Huang Ke-qiang, Li Zhi-gang, An Ying-jie
Chinese Journal of Tissue Engineering Research . 2012, (16): 2943 -2946 .  DOI: 10.3969/j.issn.1673-8225.2012.16.022