5Gavrieli Y, Sherman Y, Shmuel A, et al. Identifieation of programmed cell death in situ via specific labeling of nuclear DNA tragmentation J Cell Biol,1992,119:493-501.
7Martin LS,Albert JF, The two faces of tumour suppressor p53. Am J Pathol. 1996.148:1019-1022.
8Lauwers GY,Scott GV,Hendricks J. Immunohistochemical evidence of aberrant bcl-2 protein expression in gastric epithelial dysplasia. Cancer,1994, 73:2901-2904.