1. Barkla DH, Tutton PMM (1977) Surface changes in the descending colon of rats treated with dimethylhydrazine. Cancer Res 37: 262–271
2. Black PH (1980) Shedding from the cell surface of normal and cancer cells. Adv Cancer Res 32: 75–199
3. Filipe, MI (1975). Mucous secretion in rat colonic mucosa during carcinogenesis induced by dimethyl-hydrazine. Br J Cancer 32: 60–77
4. Jacobs LR (1981) Loss of mucosal secretory components and changes in glycoconjugate composition of rat colonic tumors. Gastroenterology 80: 1183
5. Kim U, Baumler A, Carruthers C, Bielat K (1975) Immunological escape mechanism in spontaneously metastasizing mammary tumors. Proc. Natl Acad Sci USA 72: 10-12-1016