2Misra S,Chaturvedi A,Misra NC, et al. Carcinoma of the gallbladder[J]. Lancet Oncol,2003,4(7) :393 - 394.
3Horiuchi H, Kawamata H, Fujimori T, et al. A MEK inhibitor (U0126) prolongs survival in nude mice bearing human gallbladder cancer cells with K-ms mutation :analysis in a novel orthotopic inoculation model[J]. Int J Oncol,2003,23(4) :957 - 963.
4Furukawa T, Fu X, Kuboba T, et al. Nude mouse metastatic models of human stomach cancer constructed using orthotopic implantation of histological intact tissue. Cancer Res, 1993, 53:1204-1208.
5Filder IJ. Tumor heterogeneity and the biology of cancer invasion and metastasis. Cancer Res, 1978, 38:2651-2660.
