1. Alexander, P., and Eccles, S. A., 1984, Cancer Invasion and Metastasis: Biologic and Therapeutic Aspects, edited by G. L. Nicolson and L. Milas (New York: Raven Press), pp. 293?308.
2. Altevogt, P., Kurnick, J. T., Kimura, A. K., Bosslet, K., and Schirrmacher, V., 1982, Different expression of LyT differentiation antigens and cell surface glycoproteins by a murine T lymphoma line and its highly metastatic variant. European Journal of Immunology, 12, 300?307.
3. Attia, M. A. M., and Weiss, D. W., 1966, Immunology of spontaneous mammary carcinomas in mice. V. Acquired tumor resistance and enhancement in strain A mice infected with mammary tumor virus. Cancer Research, 26, 1787?1890.
4. Aubert, C., Rouge, F., and Galindo, J. R., 1984, Differentiation and tumorigenicity of human malignant melanocytes in relation to their culture conditions. Journal of the National Cancer Institute, 72, 3?9.
5. Auersperg, N., 1978, Effects of culture conditions on the growth and differentiation of transformed rat adenocortical cells. Cancer Research, 38, 1872?1884.