9Wu W,Tang X, Hu W, et al. Identification and validation of metastasis associated proteins in head and neck cancer cell lines by two-dimensional electrophoresis and massspectrometry[J ]. Clin Exp Metastasis, 2002,19 ( 4 ) : 319.
10Fromowitz FB,Viola MV,Chao S, et al. ras p21 expression in the progression of breast cancer[J]. Hum Pathol, 1987,18: 1268.