1Wielenga VJ, Heider KH, Offerhaus GJA, et al, Expression of CD44 variant proteins in human colorectal cancer related to tumor progression. Cancer Res, 1993,53:4754-4758.
2Saito H, Tsujitani S, Katano K, et al. Serum concentration of CD44 variant 6 and its relation to prognosis in patients with gastric carcinoma. Cancer, 1998,15 : 1094.
3Bhatavdeker JM, Padel DD, Chikhlikar PR, et al. Overexpression of CD44:a useful independent predictor of prognosis in patients with colorectal carcinoma. Ann Surg Oncol, 1998, 5:495.
4Reeder JA, Gotley DC, Walsh MD, et al. Expression of an antisense CD44 variant 6 inhibits colorectal tumor metastasis and tumor growth in a wound environment. Cancer Res, 1998,58:3719.
5Friedrichs K,Franke F,Lisboa B,et al. CD44 isoforms correlate with cellular differentiation but not with prognosis in human breast cancer. Cancer Res, 1995,55 : 5424-5433.
