3Hare I, Goode N, Wilson R. Molecular aspects of the metastatic cascade[J]. Biochem Biophs Acta, 1989, 989:365-384.
4Dalton L W, Page D L, Dupont W D. Histologic grading of breast carcinoma: A reproducibility study[J]. Cancer, 1994, 73(11):2765 -2770.
5Matsumura Y, Tarin D. Significance of CD44 gene products for cancer diagnosis and disease evalution[J]. Lancet, 1992, 340:1053-1058.
6Kaufmann M, Heider K H, Sinn H P, et al.CD44 variant exon epitopes in primary breast cancer and length of survival [J]. Lancet,1995, 345(8950):615-619.
7Friedrichs K, Franke F, Lisboa B W, et al.CD44 isoforms correlates with cellular differentiation but not with prognosis in human breast cancer[J]. Cancer Res, 1995, 55(22):5424-5433.