1. Alsabti, E.A.K.: Tumor dormancy established in DBA/2 mice with P 815 Y mastocytoma cell lines. (Unpublished data)
2. Alexander, P.A.: In: Fundamental Aspects of Metastasis, pp. 227?239. North-Holland Publishing Co. 1976
3. Al-Ghazzouli, I.K., Donahoe, R.M., Huang, K.Y., Sass, B., Peters, R.L., Kelloff, G.J.: Immunity to virus-Free syngeneic Tumor cell transplantation in the Balb/c mouse after immunization with homologous tumor cells infected with type C virus. J. Immunol. 117, 2239?2248 (1976)
4. Ashley, D.J.: On the incidence of carcinoma of the prostate. J. Path. Bact. 90, 217?224 (1965)
5. Ashley, D.J.: The biological status of carcinoma in situ of the uterine cervix. J. Obstet. Gynaec. Brit. Comm. 73, 372?381 (1966)