1. van den Hooff A: Stromal involvement in malignant growth. Adv Cancer Res 50: 159–196, 1988
2. Clarke R, Dickson RB, Lippman ME: Hormonal aspects of breast cancer: Growth factors, drugs and stromal interactions. Crit Rev Oncol Hematol 12: 1–23, 1992
3. Enami J, Enami S, Koga M: Growth of normal and neoplastic mouse mammary epithelial cells in primary culture: Stimulation by conditioned medium from mouse mammary fibroblasts. Gann 74: 845–853, 1983
4. McGraph CM: Augmentation of the response of normal mammary epithelial cells to estradiol by mammary stroma. Cancer Res 43: 1355–1360, 1983
5. Haslam SZ: Mammary fibroblast influence on normal mouse mammary epithelial cell responses to estrogen in vitro. Cancer Res 46: 310–316, 1986