5Wang LD,Hong JY,Qiu SL,et al.Accumulation of P53 protein in human esophageal precancerous lesions:A possible early biomarker for carcinogenesis.Cancer Res,1993,53:1783-1787.
6Aagaard L,Lukas J,Bartkova J,et al.Aberrations of P16^lnkd and retinoblastoma rumor-suppreasor genes occur in distinct sub-sets of human cancer cell lines.Int J Cancer,1995,61:115-119.
7Herman JG,Merlo A,Li M,et al.Inactivation of the CDKN2/p16/MTS1 gene is frequently associated with aberrant DNA methylation in all common human cancers.Cancer Res,1995,55:4225-4530.
8Tam SW,Shay JW,Pagano M,Differential expression and cell cycle regulation of the cyclin-dependent kinase 4 inhibitor P16.Cancer Res.1994,54:5816-5820.