1. Alterman, A. L., Fornabaio, D. M., Kim, Y. S., and Stackpole, C. W., 1989, The role of intratumor environment in determining spontaneous metastatic activity of a B16 melanoma clone. Invasion and Metastasis, 9 242?253.
2. Barsky, S. H., and Gopalakrishna, R., 1987, Increased invasion and spontaneous metastasis of BL6 melanoma with inhibition of the desmoplastic response in C57BL/6 mice. Cancer Research, 47, 1663?1667.
3. Biswas, C., 1982, Host-tumor cell interactions and collagenase activity. Tumor Invasion and Metastasis, edited by L. A. Liotta and I. R. Hart (The Hague, Netherlands: Martinus Nijhoff), pp. 405?425.
4. Darzynkiewicz, Z., Sharpless, T., Staiano-Coico, L., and Melamed, M. R., 1980, Subcompartments of the G1 phase of cell cycle detected by flow cytometry. Proceedings of the National Academy of Sciences, U.S.A., 77, 696?6699.
5. Darzynkiewicz, Z., Traganos, F., and Melamed, M. R., 1980, New cell cycle compartments identified by multiparameter flow cytometry. Cytometry, 1, 98?108.