1. Cheifetz, S.; Weatherbee, J. A.; Tsang-S, M. L. The transforming growth factor-β system, a complex pattern of cross-reactive ligands and receptors. Cell. 48:409–415; 1987.
2. Clark, R.; Stampfer, M.; Milley, B., et al. Transformation of human mammary epithelial cells by oncogenic retroviruses. Cancer Res. 48:4689–4694; 1988.
3. Coffey, R. J.; Bascom, C. C.; Sipes, N. J., et al. Growth modulation of mouse keratinocytes by transforming growth factors. Cancer Res. 48:1596–1602; 1988.
4. Fernandez-Pol, J. A.; Klos, D. J.; Hamilton, P. D., et al. Modulation of epidermal growth factor receptor gene expression by transforming growth factor-β in a human breast carcinoma cell line. Cancer Res. 47:4260–4265; 1987.
5. Hammond, S. L.; Ham, R. G.; Stampfer, M. R. Serum-free growth of human mammary epithelial cells: rapid clonal growth in defined medium and extended serial passage with pituitary extract. Proc. Natl. Acad. Sci. USA 81:5435–5439; 1984.