1George G. Chen,Paul B.S. Lai,Xu Hu,Isa K.Y. Lam,Ernest C.W. Chak,Ying S. Chun,Wan Y. Lau. Negative correlation between the ratio of Bax to Bcl-2 and the size of tumor treated by culture supernatants from Kupffer cells[J] 2002,Clinical and Experimental Metastasis(5):457~464